add docker ci/cd

.github/workflows/docker-cd.yml

@@ -0,0 +1,94 @@
+name: run Docker CD
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Test scenario tag"
+        required: true
+        default: "test"
+      set-latest-tag:
+        description: "Also set the 'latest' tag with this run? (y/n)"
+        required: true
+        default: "n"
+
+env:
+  CPM_SOURCE_CACHE: ${{ github.workspace }}/cpm_modules
+
+jobs:
+  build:
+    name: CD build docker and push to DockerHub
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: handle manual workflow start and prepare docker image tag(s)
+        id: docker-tags
+        shell: bash
+        run: |
+          if [[ "x${{ github.event.inputs.tag }}" != "x" ]]; then
+            echo "Workflow started via workflow_dispatch! Parameters: tag=${{ github.event.inputs.tag }}, set-latest-tag=${{ github.event.inputs.set-latest-tag }}"
+            tag="${{ github.event.inputs.tag }}"
+          else
+            echo "Workflow started via push with tag! Complete tag: ${GITHUB_REF:10}"
+            tag="${GITHUB_REF:11}"
+          fi
+
+          if [[ "x${{ github.event.inputs.set-latest-tag }}" == "xy" || "x${{ github.event.inputs.tag }}" == "x" ]]; then
+            tags="${{ secrets.DOCKERHUB_USERNAME }}/greeter-webapi:$tag, ${{ secrets.DOCKERHUB_USERNAME }}/greeter-webapi:latest"
+            echo "Docker image release tags: $tags"
+          else
+            tags="${{ secrets.DOCKERHUB_USERNAME }}/greeter-webapi:$tag"
+            echo "Docker image release tag: $tags"
+          fi
+
+          echo ::set-output name=tags::$tags
+
+      #
+      # configure and build in GitHub CI as smoke test
+
+      # speed up configure step by installing boost as system lib, also use Ninja for faster builds
+      - name: speed up configure and build
+        shell: bash
+        run: sudo apt-get update && sudo apt-get install -y libboost-all-dev ninja-build
+
+      # use GitHub cache to cache dependencies
+      - uses: actions/cache@v2
+        with:
+          path: "**/cpm_modules"
+          key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
+
+      - name: configure
+        run: cmake -S standalone -B build -G Ninja -D CMAKE_BUILD_TYPE=Release
+
+      - name: build
+        run: cmake --build build
+
+      #
+      # end GitHub CI local build
+
+      - name: set up Docker Buildx for multi-platform support
+        uses: docker/setup-buildx-action@v1
+
+      - name: set up QEMU for multi-platform support
+        uses: docker/setup-qemu-action@v1
+
+      - name: login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: build Docker image and push to DockerHub
+        uses: docker/build-push-action@v2
+        with:
+          file: ./standalone/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.docker-tags.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/docker-ci.yml

@@ -0,0 +1,62 @@
+name: run Docker CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+env:
+  CPM_SOURCE_CACHE: ${{ github.workspace }}/cpm_modules
+
+jobs:
+  build:
+    name: CI build docker
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      #
+      # configure and build in GitHub CI as smoke test
+
+      # speed up configure step by installing boost as system lib, also use Ninja for faster builds
+      - name: speed up configure and build
+        shell: bash
+        run: sudo apt-get update && sudo apt-get install -y libboost-all-dev ninja-build
+
+      # use GitHub cache to cache dependencies
+      - uses: actions/cache@v2
+        with:
+          path: "**/cpm_modules"
+          key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
+
+      - name: configure
+        run: cmake -S standalone -B build -G Ninja -D CMAKE_BUILD_TYPE=Release
+
+      - name: build
+        run: cmake --build build
+
+      #
+      # end GitHub CI local build
+
+      - name: set up Docker Buildx for multi-platform support
+        uses: docker/setup-buildx-action@v1
+
+      - name: set up QEMU for multi-platform support
+        uses: docker/setup-qemu-action@v1
+
+      # build image but do NOT push to DockerHub
+      - name: build Docker image
+        uses: docker/build-push-action@v2
+        with:
+          file: ./standalone/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: false
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/webapi:ci
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

standalone/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.14...3.22)
 
 project(
   GreeterStandalone
-  DESCRIPTION "A standalone minimal webserver application using the Crow framework"
+  DESCRIPTION "A standalone minimal webapi application using the Crow framework"
   LANGUAGES CXX
 )
 

standalone/Dockerfile

@@ -5,7 +5,7 @@ RUN set -eux; \
     apt-get install -y --no-install-recommends \
     cmake \
     ninja-build \
-    # build with Boost as system lib - this should be orders of magnitude faster to configure than
+    # configure/build with Boost as system lib - this should be orders of magnitude faster to configure than
     # downloading via CPM.cmake while Boost's CMake support is still experimental
     libboost-all-dev \
     ;