Merge pull request #7 from nginx-proxy/docker-images

ci: build and publish Forego Docker images

Author: buchdag

.github/dependabot.yml

@@ -8,6 +8,14 @@ updates:
     commit-message:
       prefix: "build"
 
+  # Maintain dependencies for Docker
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    commit-message:
+      prefix: "build"
+
   # Maintain GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"

.github/workflows/build-publish.yml

@@ -0,0 +1,76 @@
+name: Build and publish Docker images
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*.*.*"
+
+jobs:
+  multiarch-build:
+    name: Build and publish image
+    strategy:
+      matrix:
+        base: [alpine, debian]
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Retrieve version
+        id: forego_version
+        run: echo "VERSION=$(git describe --tags)" >> "$GITHUB_OUTPUT"
+
+      - name: Get Docker image tags
+        id: docker_meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ghcr.io/nginx-proxy/forego
+            nginxproxy/forego
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' && matrix.base == 'alpine' }}
+            type=raw,value=debian,enable=${{ github.ref == 'refs/heads/main' && matrix.base == 'debian' }}
+          labels: |
+            org.opencontainers.image.authors=Nicolas Duchon <[email protected]> (@buchdag)
+            org.opencontainers.image.version=${{ steps.forego_version.outputs.VERSION }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push the image
+        id: docker_build
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          file: Dockerfile.${{ matrix.base }}
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile.alpine

@@ -0,0 +1,25 @@
+# Build forego
+FROM golang:1.20.3-alpine as go-builder
+
+RUN apk add --no-cache musl-dev
+
+WORKDIR /build
+
+# Install the dependencies
+COPY . .
+RUN go mod download
+
+RUN CGO_ENABLED=0 go build -o forego . \
+   && go clean -cache
+
+FROM alpine:3.17.3
+
+RUN apk add --no-cache bash
+
+# Install Forego
+COPY --from=go-builder /build/forego /usr/local/bin/forego
+
+COPY /app /app
+WORKDIR /app
+
+CMD ["forego", "start", "-r"]

Dockerfile.debian

@@ -0,0 +1,21 @@
+# Build forego
+FROM golang:1.20.3 as go-builder
+
+WORKDIR /build
+
+# Install the dependencies
+COPY . .
+RUN go mod download
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o forego . \
+   && go clean -cache
+
+FROM debian:11.7-slim
+
+# Install Forego
+COPY --from=go-builder /build/forego /usr/local/bin/forego
+
+COPY /app /app
+WORKDIR /app
+
+CMD ["forego", "start", "-r"]

app/Procfile

@@ -0,0 +1 @@
+demo: sh /app/demo.sh

app/demo.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+NAME="$1"
+
+sigterm() {
+  echo "$NAME: got sigterm"
+}
+
+trap sigterm TERM
+
+while true; do
+  echo "$NAME: ping $$"
+  sleep 60
+done