added fedora dockerfile and move to proper folder

Author: mr-exz

build.cake

@@ -419,7 +419,8 @@ Task("Docker-Build")
     {
         DockerBuild("linux", "debian", "netcoreapp2.1", parameters);
         DockerBuild("linux", "debian", "net472", parameters);
-        DockerBuild("linux", "centos", "netcoreapp2.1", parameters);
+        DockerBuild("linux", "centos7", "netcoreapp2.1", parameters);
+        DockerBuild("linux", "fedora27", "netcoreapp2.1", parameters);
     }
 });
 
@@ -638,7 +639,8 @@ Task("Publish-DockerHub")
     {
         DockerPush("linux", "debian", "netcoreapp2.1", parameters);
         DockerPush("linux", "debian", "net472", parameters);
-        DockerPush("linux", "centos", "netcoreapp2.1", parameters);
+        DockerPush("linux", "centos7", "netcoreapp2.1", parameters);
+        DockerPush("linux", "fedora27", "netcoreapp2.1", parameters);
     }
 
     DockerLogout();

src/Docker/linux/centos/Dockerfile renamed to src/Docker/linux/centos7/netcoreapp2.1/Dockerfile

@@ -0,0 +1,20 @@
+FROM fedora:27
+LABEL maintainers="GitTools Maintainers"
+
+ENV DOTNET_VERSION='2.1' 
+ARG contentFolder
+
+# https://dotnet.microsoft.com/download/linux-package-manager/rhel/sdk-current
+RUN rpm -Uvh https://packages.microsoft.com/config/fedora/27/packages-microsoft-prod.rpm 
+
+# if you need SDK use dotnet-sdk-$DOTNET_VERSION
+RUN yum install -y dotnet-runtime-$DOTNET_VERSION.x86_64 unzip libgit2-devel.x86_64 \
+    && yum clean all \
+    && rm -rf /tmp/*
+
+RUN ln -s /usr/lib64/libgit2.so /usr/lib64/libgit2-15e1193.so
+
+WORKDIR /app
+COPY $contentFolder/ ./
+
+ENTRYPOINT ["dotnet", "GitVersion.dll"]