Build docker-compose-generator multiarch Docker images

.circleci/config.yml

@@ -0,0 +1,71 @@
+version: 2
+jobs:
+  # Define in CircleCi Project Variables: $DOCKERHUB_REPO, $DOCKERHUB_USER, $DOCKERHUB_PASS
+  # Publish jobs require those variables
+  publish_docker_linuxamd64:
+    machine:
+      docker_layer_caching: true
+    steps:
+      - checkout  
+      - run:
+          command: |
+            cd docker-compose-generator
+            sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS
+            sudo docker build --pull -t $DOCKERHUB_REPO:latest-amd64 -f Dockerfile.linuxamd64 .
+            sudo docker push $DOCKERHUB_REPO:latest-amd64
+
+  publish_docker_linuxarm:
+    machine:
+      docker_layer_caching: true
+    steps:
+      - checkout  
+      - run:
+          command: |
+            sudo docker run --rm --privileged multiarch/qemu-user-static:register --reset
+            #
+            cd docker-compose-generator
+            sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS
+            sudo docker build --pull -t $DOCKERHUB_REPO:latest-arm32v7 -f Dockerfile.linuxarm32v7 .
+            sudo docker push $DOCKERHUB_REPO:latest-arm32v7
+
+  publish_docker_multiarch:
+    machine:
+      enabled: true
+      image: circleci/classic:201808-01
+    steps:
+      - run:
+          command: |
+            # Turn on Experimental features
+            sudo mkdir $HOME/.docker
+            sudo sh -c 'echo "{ \"experimental\": \"enabled\" }" >> $HOME/.docker/config.json'
+            #
+            sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS
+            #
+            sudo docker manifest create --amend $DOCKERHUB_REPO:latest $DOCKERHUB_REPO:latest-amd64 $DOCKERHUB_REPO:latest-arm32v7
+            sudo docker manifest annotate $DOCKERHUB_REPO:latest $DOCKERHUB_REPO:latest-amd64 --os linux --arch amd64
+            sudo docker manifest annotate $DOCKERHUB_REPO:latest $DOCKERHUB_REPO:latest-arm32v7 --os linux --arch arm --variant v7
+            sudo docker manifest push $DOCKERHUB_REPO:latest -p
+
+workflows:
+  version: 2
+  build_and_test:
+    jobs:
+      - test
+
+  publish:
+    jobs:
+      - publish_docker_linuxamd64:
+          filters:
+            branches:
+              only: feature/circleci
+      - publish_docker_linuxarm:
+          filters:
+            branches:
+              only: feature/circleci
+      - publish_docker_multiarch:
+          requires:
+            - publish_docker_linuxamd64
+            - publish_docker_linuxarm
+          filters:
+            branches:
+              only: feature/circleci

docker-compose-generator/Dockerfile.linuxamd64

@@ -1,3 +1,4 @@
+#
 FROM microsoft/dotnet:2.1.500-sdk-alpine3.7 AS builder
 WORKDIR /source
 COPY src/docker-compose-generator.csproj docker-compose-generator.csproj
@@ -6,10 +7,11 @@ RUN dotnet restore
 COPY src/. .
 RUN dotnet publish --output /app/ --configuration Release
 
+#
 FROM microsoft/dotnet:2.1.6-runtime-alpine3.7
-WORKDIR /app
+WORKDIR /datadir
 
-RUN mkdir /datadir
+WORKDIR /app
 ENV APP_DATADIR=/datadir
 VOLUME /datadir
 

docker-compose-generator/Dockerfile.linuxarm32v7

@@ -0,0 +1,22 @@
+# This is a manifest image, will pull the image with the same arch as the builder machine
+FROM microsoft/dotnet:2.1.500-sdk AS builder
+WORKDIR /source
+COPY src/docker-compose-generator.csproj docker-compose-generator.csproj
+# Cache some dependencies
+RUN dotnet restore
+COPY src/. .
+RUN dotnet publish --output /app/ --configuration Release
+
+# Force the builder machine to take make an arm runtime image. This is fine as long as the builder does not run any program
+FROM microsoft/dotnet:2.1.6-aspnetcore-runtime-stretch-slim-arm32v7
+WORKDIR /datadir
+
+WORKDIR /app
+ENV APP_DATADIR=/datadir
+VOLUME /datadir
+
+ENV INSIDE_CONTAINER=1
+
+COPY --from=builder "/app" .
+
+ENTRYPOINT ["dotnet", "docker-compose-generator.dll"]

docker-compose-generator/docker-compose-generator.sln

@@ -3,7 +3,14 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.26124.0
 MinimumVisualStudioVersion = 15.0.26124.0
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "docker-compose-generator", "src/docker-compose-generator.csproj", "{0900AF35-48E8-46E2-85B3-BA3847EE0844}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "docker-compose-generator", "src\docker-compose-generator.csproj", "{0900AF35-48E8-46E2-85B3-BA3847EE0844}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Misc", "Misc", "{8C1C711D-DEF1-474C-A9F6-AAE142412528}"
+	ProjectSection(SolutionItems) = preProject
+		..\.circleci\config.yml = ..\.circleci\config.yml
+		Dockerfile.linuxamd64 = Dockerfile.linuxamd64
+		Dockerfile.linuxarm32v7 = Dockerfile.linuxarm32v7
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -14,9 +21,6 @@ Global
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
 	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{0900AF35-48E8-46E2-85B3-BA3847EE0844}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{0900AF35-48E8-46E2-85B3-BA3847EE0844}.Debug|Any CPU.Build.0 = Debug|Any CPU
@@ -31,4 +35,10 @@ Global
 		{0900AF35-48E8-46E2-85B3-BA3847EE0844}.Release|x86.ActiveCfg = Release|Any CPU
 		{0900AF35-48E8-46E2-85B3-BA3847EE0844}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CADA76A8-7F2E-4132-900B-330F0D2D722B}
+	EndGlobalSection
 EndGlobal