diff --git a/api_rest/mvnw b/api_rest/mvnw
new file mode 100644
index 00000000..8a8fb228
--- /dev/null
+++ b/api_rest/mvnw
@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /usr/local/etc/mavenrc ] ; then
+ . /usr/local/etc/mavenrc
+ fi
+
+ if [ -f /etc/mavenrc ] ; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ] ; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+ CYGWIN*) cygwin=true ;;
+ MINGW*) mingw=true;;
+ Darwin*) darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ export JAVA_HOME="`/usr/libexec/java_home`"
+ else
+ export JAVA_HOME="/Library/Java/Home"
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+ if [ -r /etc/gentoo-release ] ; then
+ JAVA_HOME=`java-config --jre-home`
+ fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+ ## resolve links - $0 may be a link to maven's home
+ PRG="$0"
+
+ # need this for relative symlinks
+ while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG="`dirname "$PRG"`/$link"
+ fi
+ done
+
+ saveddir=`pwd`
+
+ M2_HOME=`dirname "$PRG"`/..
+
+ # make it fully qualified
+ M2_HOME=`cd "$M2_HOME" && pwd`
+
+ cd "$saveddir"
+ # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --unix "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME="`(cd "$M2_HOME"; pwd)`"
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="`which javac`"
+ if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=`which readlink`
+ if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+ if $darwin ; then
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+ else
+ javaExecutable="`readlink -f \"$javaExecutable\"`"
+ fi
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+ if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="`\\unset -f command; \\command -v java`"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+ if [ -z "$1" ]
+ then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ] ; do
+ if [ -d "$wdir"/.mvn ] ; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=`cd "$wdir/.."; pwd`
+ fi
+ # end of workaround
+ done
+ echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ echo "$(tr -s '\n' ' ' < "$1")"
+ fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+ exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found .mvn/wrapper/maven-wrapper.jar"
+ fi
+else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+ fi
+ if [ -n "$MVNW_REPOURL" ]; then
+ jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ fi
+ while IFS="=" read key value; do
+ case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+ esac
+ done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Downloading from: $jarUrl"
+ fi
+ wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+ if $cygwin; then
+ wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+ fi
+
+ if command -v wget > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found wget ... using wget"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found curl ... using curl"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl -o "$wrapperJarPath" "$jarUrl" -f
+ else
+ curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+ fi
+
+ else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Falling back to using Java to download"
+ fi
+ javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaClass=`cygpath --path --windows "$javaClass"`
+ fi
+ if [ -e "$javaClass" ]; then
+ if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Compiling MavenWrapperDownloader.java ..."
+ fi
+ # Compiling the Java class
+ ("$JAVA_HOME/bin/javac" "$javaClass")
+ fi
+ if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ # Running the downloader
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Running MavenWrapperDownloader.java ..."
+ fi
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+ echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --path --windows "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ $MAVEN_DEBUG_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" \
+ "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/api_rest/mvnw.cmd b/api_rest/mvnw.cmd
new file mode 100644
index 00000000..1d8ab018
--- /dev/null
+++ b/api_rest/mvnw.cmd
@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+ IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Found %WRAPPER_JAR%
+ )
+) else (
+ if not "%MVNW_REPOURL%" == "" (
+ SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ )
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Couldn't find %WRAPPER_JAR%, downloading it ...
+ echo Downloading from: %DOWNLOAD_URL%
+ )
+
+ powershell -Command "&{"^
+ "$webclient = new-object System.Net.WebClient;"^
+ "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+ "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+ "}"^
+ "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+ "}"
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Finished downloading %WRAPPER_JAR%
+ )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+ %JVM_CONFIG_MAVEN_PROPS% ^
+ %MAVEN_OPTS% ^
+ %MAVEN_DEBUG_OPTS% ^
+ -classpath %WRAPPER_JAR% ^
+ "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+ %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%
diff --git a/api_rest/pom.xml b/api_rest/pom.xml
new file mode 100644
index 00000000..041c3ed6
--- /dev/null
+++ b/api_rest/pom.xml
@@ -0,0 +1,111 @@
+
+
+ 4.0.0
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.7.6
+
+
+ io.serverless
+ serverlessworkflow-apirest
+ 0.0.1-SNAPSHOT
+ Serverless Workflow :: APIREST
+ APIREST project for Spring Boot
+
+ 11
+
+
+
+ org.springframework.boot
+ spring-boot-starter-webflux
+
+
+
+ org.springframework.boot
+ spring-boot-devtools
+ runtime
+ true
+
+
+ org.projectlombok
+ lombok
+ true
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+ io.projectreactor
+ reactor-test
+ test
+
+
+ io.swagger.core.v3
+ swagger-annotations
+ 2.2.7
+
+
+ org.springdoc
+ springdoc-openapi-webflux-core
+ 1.6.13
+
+
+ org.springdoc
+ springdoc-openapi-webflux-ui
+ 1.6.13
+
+
+
+ org.springframework.security
+ spring-security-test
+ 5.3.13.RELEASE
+ test
+
+
+
+
+
+ io.serverlessworkflow
+ serverlessworkflow-api
+ 5.0.0-SNAPSHOT
+
+
+ io.serverlessworkflow
+ serverlessworkflow-diagram
+ 5.0.0-SNAPSHOT
+
+
+
+
+
+ ossrh
+ https://oss.sonatype.org/content/repositories/snapshots
+
+
+ ossrh
+ https://oss.sonatype.org/service/local/staging/deploy/maven2/
+
+
+
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+
+
+
+ org.projectlombok
+ lombok
+
+
+
+
+
+
+
+
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/Application.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/Application.java
new file mode 100644
index 00000000..aa2569f7
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/Application.java
@@ -0,0 +1,27 @@
+package io.serverlessworkflow.reactive_api_rest;
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ControllerErrorException.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ControllerErrorException.java
new file mode 100644
index 00000000..3e7f6ffd
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ControllerErrorException.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+public class ControllerErrorException extends Exception {
+ public ControllerErrorException(String errorMessage) {
+ super(errorMessage);
+ }
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/IRouterRest.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/IRouterRest.java
new file mode 100644
index 00000000..0c09c34f
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/IRouterRest.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import org.springdoc.core.annotations.RouterOperation;
+import org.springdoc.core.annotations.RouterOperations;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+public interface IRouterRest {
+
+ @RouterOperations(
+ value = {
+ @RouterOperation(
+ path = RouterPaths.GETTING_SVG_FROM_WORKFLOW,
+ produces = {MediaType.APPLICATION_JSON_VALUE},
+ method = RequestMethod.POST,
+ beanClass = ServerlessRequest.class,
+ beanMethod = "getDiagramSVGFromWorkFlow",
+ operation =
+ @Operation(
+ operationId = "Get-Diagram-SVG-From-WorkFlow",
+ responses = {
+ @ApiResponse(
+ responseCode = "200",
+ description = "Get diagram SVG from workFlow",
+ content =
+ @Content(
+ schema =
+ @Schema(implementation = ServerlessWorkFlowResponse.class)))
+ }
+ /*,
+ security = @SecurityRequirement(
+ name = "bearer-key",
+ scopes = {}
+ )*/
+ ))
+ })
+ RouterFunction servelessRouterFunction(ServerlessRequest serverlessRequest);
+
+
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterPaths.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterPaths.java
new file mode 100644
index 00000000..77b8b7a2
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterPaths.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+public class RouterPaths {
+
+ // get string of SVG from YAML or JSON file
+ public static final String GETTING_SVG_FROM_WORKFLOW = "/api/get_svg_from_workflow";
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterRest.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterRest.java
new file mode 100644
index 00000000..dcc61b53
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/RouterRest.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import static org.springframework.web.reactive.function.server.RequestPredicates.POST;
+import static org.springframework.web.reactive.function.server.RouterFunctions.route;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.reactive.function.server.RouterFunction;
+import org.springframework.web.reactive.function.server.ServerResponse;
+
+@Configuration
+public class RouterRest implements IRouterRest {
+
+ /***
+ * Get image SVG from string.
+ * @param serverlessRequest The serverless request.
+ * @return String from SVG image
+ */
+ @Bean
+ @Override
+ public RouterFunction servelessRouterFunction(ServerlessRequest serverlessRequest) {
+ return route(POST(RouterPaths.GETTING_SVG_FROM_WORKFLOW),
+ serverlessRequest::getDiagramSVGFromWorkFlow);
+ }
+
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelper.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelper.java
new file mode 100644
index 00000000..75e2f5f5
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelper.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import io.serverlessworkflow.api.Workflow;
+import io.serverlessworkflow.api.interfaces.WorkflowDiagram;
+import io.serverlessworkflow.diagram.WorkflowDiagramImpl;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import reactor.core.publisher.Mono;
+
+@Component
+@RequiredArgsConstructor
+public class ServerlesRequestHelper {
+
+ public Mono getSvg(String workFlow) {
+ String diagramSVG = "";
+ Workflow workflow = Workflow.fromSource(workFlow);
+
+ ServerlessWorkFlowResponse response = new ServerlessWorkFlowResponse();
+
+ WorkflowDiagram workflowDiagram =
+ new WorkflowDiagramImpl()
+ .showLegend(true)
+ .setWorkflow(workflow)
+ .setTemplate("custom-template");
+
+ try {
+ diagramSVG = workflowDiagram.getSvgDiagram();
+ } catch (Exception e) {
+ response.setResponse(e.getMessage());
+ return Mono.just(response);
+ }
+
+ response.setResponse(diagramSVG);
+
+ return Mono.just(response);
+ }
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessRequest.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessRequest.java
new file mode 100644
index 00000000..f77350fd
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessRequest.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.MediaType;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.server.ServerRequest;
+import org.springframework.web.reactive.function.server.ServerResponse;
+import reactor.core.publisher.Mono;
+
+@Component
+@RequiredArgsConstructor
+public class ServerlessRequest {
+
+ private final ServerlesRequestHelper helper;
+
+ /**
+ * Get the SVG diagram of a workflow from API Request
+ *
+ * @param sRequest workFlow (yml or json)
+ * @return String SVG
+ */
+ public Mono getDiagramSVGFromWorkFlow(ServerRequest sRequest) {
+ return ServerResponse.ok()
+ .contentType(MediaType.APPLICATION_JSON)
+ .body(
+ sRequest
+ .bodyToMono(String.class)
+ .flatMap(helper::getSvg)
+ .onErrorMap(e -> new ControllerErrorException(e.getMessage())),
+ ServerlessWorkFlowResponse.class);
+ }
+}
diff --git a/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessWorkFlowResponse.java b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessWorkFlowResponse.java
new file mode 100644
index 00000000..f36e24d0
--- /dev/null
+++ b/api_rest/src/main/java/io/serverlessworkflow/reactive_api_rest/ServerlessWorkFlowResponse.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+public class ServerlessWorkFlowResponse {
+ private String response;
+
+ public String getResponse() {
+ return response;
+ }
+
+ public void setResponse(String response) {
+ this.response = response;
+ }
+}
diff --git a/api_rest/src/main/resources/application.yml b/api_rest/src/main/resources/application.yml
new file mode 100644
index 00000000..b6080e2c
--- /dev/null
+++ b/api_rest/src/main/resources/application.yml
@@ -0,0 +1,12 @@
+springdoc:
+ api-docs:
+ groups:
+ enable: true
+ path: "/api/serverless/v3/api-docs"
+ swagger-ui:
+ path: "/api/serverless/swagger-ui.html"
+server:
+ port: 8090
+spring:
+ application:
+ name: "Serverless-workflow"
\ No newline at end of file
diff --git a/api_rest/src/main/resources/templates/plantuml/custom-template.txt b/api_rest/src/main/resources/templates/plantuml/custom-template.txt
new file mode 100644
index 00000000..e162afc5
--- /dev/null
+++ b/api_rest/src/main/resources/templates/plantuml/custom-template.txt
@@ -0,0 +1,46 @@
+@startuml
+skinparam backgroundColor White
+skinparam legendBackgroundColor White
+skinparam legendBorderColor White
+skinparam state {
+ StartColor Green
+ EndColor Orange
+ BackgroundColor GhostWhite
+ BackgroundColor<< workflow >> White
+ BorderColor Black
+ ArrowColor Black
+
+ BorderColor<< event >> #7fe5f0
+ BorderColor<< operation >> #bada55
+ BorderColor<< switch >> #92a0f2
+ BorderColor<< sleep >> #b83b5e
+ BorderColor<< parallel >> #6a2c70
+ BorderColor<< inject >> #1e5f74
+ BorderColor<< foreach >> #931a25
+ BorderColor<< callback >> #ffcb8e
+}
+state "[(${diagram.title})]" as workflow << workflow >> {
+
+[# th:each="stateDef : ${diagram.modelStateDefs}" ]
+[(${stateDef.toString()})]
+[/]
+
+[# th:each="state : ${diagram.modelStates}" ]
+[(${state.toString()})]
+[/]
+
+[# th:each="connection : ${diagram.modelConnections}" ]
+[(${connection.toString()})]
+[/]
+
+}
+
+[# th:if="${diagram.showLegend}" ]
+legend center
+State Types and Border Colors:
+| Event | Operation | Switch | Sleep | Parallel | Inject | ForEach | CallBack |
+|<#7fe5f0>|<#bada55>|<#92a0f2>|<#b83b5e>|<#6a2c70>|<#1e5f74>|<#931a25>||
+endlegend
+[/]
+
+@enduml
\ No newline at end of file
diff --git a/api_rest/src/test/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelperTest.java b/api_rest/src/test/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelperTest.java
new file mode 100644
index 00000000..6290e19e
--- /dev/null
+++ b/api_rest/src/test/java/io/serverlessworkflow/reactive_api_rest/ServerlesRequestHelperTest.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2020-Present The Serverless Workflow Specification Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.serverlessworkflow.reactive_api_rest;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration(classes = {
+ RouterRest.class,
+ ServerlessRequest.class,
+ ServerlesRequestHelper.class
+})
+@WebFluxTest
+class ServerlesRequestHelperTest {
+
+ private ServerlesRequestHelper serverlesRequestHelper;
+
+ public static final String input = "id: greeting\n" +
+ "version: '1.0'\n" +
+ "specVersion: '0.8'\n" +
+ "name: Greeting Workflow\n" +
+ "description: Greet Someone\n" +
+ "start: Greet\n" +
+ "functions:\n" +
+ " - name: greetingFunction\n" +
+ " operation: file://myapis/greetingapis.json#greeting\n" +
+ "states:\n" +
+ " - name: Greet\n" +
+ " type: operation\n" +
+ " actions:\n" +
+ " - functionRef:\n" +
+ " refName: greetingFunction\n" +
+ " arguments:\n" +
+ " name: \"${ .person.name }\"\n" +
+ " actionDataFilter:\n" +
+ " results: \"${ .greeting }\"\n" +
+ " end: true";
+
+ @BeforeEach
+ void setUp() {
+ serverlesRequestHelper = new ServerlesRequestHelper();
+ }
+
+ @Test
+ void getSvg() {
+ Mono monoSvg = serverlesRequestHelper.getSvg(input);
+ StepVerifier.create(monoSvg)
+ .expectNextMatches(serverlessWorkFlowResponse -> serverlessWorkFlowResponse.
+ getResponse()
+ .contains("svg"))
+ .verifyComplete();
+ }
+}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index be3b0767..505a4248 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,6 +26,7 @@
api
+ api_rest
spi
validation
diagram