Remove postgresql13 from Ubuntu list of servicesDefine appveyor.yml before_build script for Ubuntu

Author: ThomasBarnekow

appveyor.yml

@@ -29,43 +29,14 @@ matrix:
   fast_finish: true
 
 for:
--
+- # Visual Studio 2019
   matrix:
     only:
     - image: Visual Studio 2019
   services:
   - postgresql13
-  - docker
   # REF: https://github.com/docascode/docfx-seed/blob/master/appveyor.yml
   before_build:
-    - sh: |
-        # Pull Azure Cosmos Emulator Docker image
-        echo "Pulling Azure Cosmos Emulator Docker image for Linux ..."
-        ./pull-docker-azure-cosmos-emulator-linux.sh
-
-        # Start Azure Cosmos Emulator container
-        echo "Running Azure Cosmos Emulator Docker container ..."
-        nohup ./run-docker-azure-cosmos-emulator-linux.sh &
-
-        # Wait for Docker container being started in the background
-        echo "Waiting 60 seconds before trying to download Azure Cosmos Emulator SSL certificate ..."
-        sleep 60
-
-        # Print the background process output to see whether there are any errors
-        if [ -f "./nohup.out" ]; then
-            echo "--- BEGIN CONTENTS OF NOHUP.OUT ---"
-            cat ./nohup.out
-            echo "--- END CONTENTS OF NOHUP.OUT ---"
-        fi
-
-        # Install SSL certificate to be able to access the emulator
-        echo "Installing Azure Cosmos Emulator SSL certificate ..."
-        sudo ./install-azure-cosmos-emulator-linux-certificates.sh
-    - pwsh: |
-        # Start Azure Cosmos Emulator on Windows
-        if ($isWindows) {
-            .\start-cosmos-db-emulator.ps1
-        }
     - pwsh: |
         if (-Not $env:APPVEYOR_PULL_REQUEST_TITLE) {
             # https://dotnet.github.io/docfx/tutorial/docfx_getting_started.html
@@ -77,6 +48,11 @@ for:
         if ($lastexitcode -ne 0) {
             throw "docfx install failed with exit code $lastexitcode."
         }
+    - pwsh: |
+        # Start Azure Cosmos Emulator on Windows
+        if ($isWindows) {
+            .\start-cosmos-db-emulator.ps1
+        }
   after_build:
     - pwsh: |
         CD ./docs
@@ -124,6 +100,37 @@ for:
     on:
       branch: /release\/.+/
       appveyor_repo_tag: true
+- # Ubuntu
+  matrix:
+    only:
+    - image: Ubuntu
+  services:
+  - docker
+  before_build:
+  - sh: |
+      # Start Azure Cosmos Emulator on Linux
+      # Pull Azure Cosmos Emulator Docker image
+      echo "Pulling Azure Cosmos Emulator Docker image for Linux ..."
+      ./pull-docker-azure-cosmos-emulator-linux.sh
+
+      # Start Azure Cosmos Emulator container
+      echo "Running Azure Cosmos Emulator Docker container ..."
+      nohup ./run-docker-azure-cosmos-emulator-linux.sh &
+
+      # Wait for Docker container being started in the background
+      echo "Waiting 60 seconds before trying to download Azure Cosmos Emulator SSL certificate ..."
+      sleep 60
+
+      # Print the background process output to see whether there are any errors
+      if [ -f "./nohup.out" ]; then
+          echo "--- BEGIN CONTENTS OF NOHUP.OUT ---"
+          cat ./nohup.out
+          echo "--- END CONTENTS OF NOHUP.OUT ---"
+      fi
+
+      # Install SSL certificate to be able to access the emulator
+      echo "Installing Azure Cosmos Emulator SSL certificate ..."
+      sudo ./install-azure-cosmos-emulator-linux-certificates.sh
 
 build_script:
 - pwsh: |