Add docker build workflow

.github/workflows/docker-build.yml

@@ -0,0 +1,99 @@
+name: Build container images
+
+on:
+  push:
+    branches:
+      - "master"
+    tags:
+      - "*"
+
+jobs:
+  build-image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      # set environment
+      - name: Set APP_VERSION env
+        run: echo "APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev )" >> $GITHUB_ENV
+
+      - name: Set BUILD_TIME env
+        run: echo "BUILD_TIME=$(date)" >> $GITHUB_ENV
+
+      - name: Set COMMIT env
+        run: echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
+
+      - name: Environment printer
+        uses: managedkaos/print-env@v1.0
+
+      - name: Prepare image tags
+        id: image-tags
+        run: |
+          base=ngoduykhanh/wireguard-ui
+          app_version=dev
+
+          ## Set git tag as image tag
+          ##
+          if [[ '${{ github.ref }}' == *"refs/tags/"* ]]; then
+            github_tag="${GITHUB_REF#refs/*/}"
+
+            SEMVER_REGEX="^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(\\-[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?(\\+[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?$"
+            if [[ "$github_tag" =~ $SEMVER_REGEX ]]; then
+              github_tag=$(echo "${github_tag}" | sed 's/^v//')
+            fi
+
+            app_version=${github_tag}
+
+            container_images=$(cat <<END_HEREDOC
+            ${base}:${github_tag}
+            END_HEREDOC
+            )
+          
+          ## Set 'latest' image tag if 'main' or 'master'
+          ## branch is pushed
+          ##
+          elif [[ '${{ github.ref }}' == 'refs/heads/master' || '${{ github.ref }}' == 'refs/heads/main' ]]; then
+            container_images=$(cat <<END_HEREDOC
+            ${base}:latest
+            END_HEREDOC
+            )
+          fi
+
+          ## Print tags for debugging purpose
+          ##
+          echo "[INFO] container_images: ${container_images}"
+          
+          ## Set container_images output
+          ##
+          echo "container_images<<EOF" >> $GITHUB_OUTPUT
+          echo "$container_images" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+          
+          ## Set APP_VERSION env
+          #
+          echo "APP_VERSION=${app_version}" >> $GITHUB_ENV
+
+      # set up docker and build images
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          context: .
+          platforms: linux/amd64,linux/arm/v7
+          tags: ${{ steps.image-tags.outputs.container_images }}
+          build-args: |
+            APP_VERSION=${{ env.APP_VERSION }}
+            BUILD_TIME=${{ env.BUILD_TIME }}
+            COMMIT=${{ env.COMMIT }}

Dockerfile

@@ -4,7 +4,9 @@ LABEL maintainer="Khanh Ngo <k@ndk.name"
 
 ARG TARGETOS=linux
 ARG TARGETARCH=amd64
-ARG COMMIT=
+ARG APP_VERSION=dev
+ARG BUILD_TIME=""
+ARG COMMIT=""
 
 ARG BUILD_DEPENDENCIES="npm \
     yarn"
@@ -50,7 +52,7 @@ COPY . /build
 RUN cp -r /build/custom/ assets/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-X main.gitCommit=${COMMIT}" -a -o wg-ui .
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-X main.appVersion=${APP_VERSION} -X main.buildTime=${BUILD_TIME} -X main.gitCommit=${COMMIT}" -a -o wg-ui .
 
 # Release stage
 FROM alpine:3.16

Jenkinsfile

@@ -1,2 +0,0 @@
-@Library('ndk-jenkins-shared-libs')_
-imageBuilder('wireguard-ui')