Add Docker builds (#1) (#2)

.github/workflows/docker-reusable.yml

@@ -0,0 +1,178 @@
+name: Docker - Reusable
+
+
+on:
+  workflow_call:
+    inputs:
+      docker_file:
+        default: Dockerfile
+        description: Dockerfile
+        required: false
+        type: string
+      docker_repo:
+        default: codexstorage/discord-bot
+        description: DockerHub repository
+        required: false
+        type: string
+      tag_latest:
+        default: true
+        description: Set latest tag for Docker images
+        required: false
+        type: boolean
+      tag_sha:
+        default: true
+        description: Set Git short commit as Docker tag
+        required: false
+        type: boolean
+      tag_suffix:
+        default: ''
+        description: Suffix for Docker images tag
+        required: false
+        type: string
+
+
+env:
+  DOCKER_FILE: ${{ inputs.docker_file }}
+  DOCKER_REPO: ${{ inputs.docker_repo }}
+  TAG_LATEST: ${{ inputs.tag_latest }}
+  TAG_SHA: ${{ inputs.tag_sha }}
+  TAG_SUFFIX: ${{ inputs.tag_suffix }}
+
+
+jobs:
+  # Build platform specific image
+  build:
+    strategy:
+      fail-fast: true
+      matrix:
+        target:
+          - os: linux
+            arch: amd64
+          - os: linux
+            arch: arm64
+        include:
+          - target:
+              os: linux
+              arch: amd64
+            builder: ubuntu-22.04
+          - target:
+              os: linux
+              arch: arm64
+            builder: buildjet-4vcpu-ubuntu-2204-arm
+
+    name: Build ${{ matrix.target.os }}/${{ matrix.target.arch }}
+    runs-on: ${{ matrix.builder }}
+    env:
+      PLATFORM: ${{ format('{0}/{1}', 'linux', matrix.target.arch) }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Docker - Meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_REPO }}
+
+      - name: Docker - Set up Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker - Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Docker - Build and Push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ${{ env.DOCKER_FILE }}
+          platforms: ${{ env.PLATFORM }}
+          push: true
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.DOCKER_REPO }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Docker - Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Docker - Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ matrix.target.arch }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+
+  # Publish multi-platform image
+  publish:
+    name: Publish multi-platform image
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Docker - Variables
+        run: |
+          # Adjust custom suffix when set and
+          if [[ -n "${{ env.TAG_SUFFIX }}" ]]; then
+            echo "TAG_SUFFIX=-${{ env.TAG_SUFFIX }}" >>$GITHUB_ENV
+          fi
+          # Disable SHA tags on tagged release
+          if [[ ${{ startsWith(github.ref, 'refs/tags/') }} == "true" ]]; then
+            echo "TAG_SHA=false" >>$GITHUB_ENV
+          fi
+          # Handle latest and latest-custom using raw
+          if [[ ${{ env.TAG_SHA }} == "false" ]]; then
+            echo "TAG_LATEST=false" >>$GITHUB_ENV
+            echo "TAG_RAW=true" >>$GITHUB_ENV
+            if [[ -z "${{ env.TAG_SUFFIX }}" ]]; then
+              echo "TAG_RAW_VALUE=latest" >>$GITHUB_ENV
+            else
+              echo "TAG_RAW_VALUE=latest-{{ env.TAG_SUFFIX }}" >>$GITHUB_ENV
+            fi
+          else
+            echo "TAG_RAW=false" >>$GITHUB_ENV
+          fi
+
+      - name: Docker - Download digests
+        uses: actions/download-artifact@v4
+        with:
+          pattern: digests-*
+          merge-multiple: true
+          path: /tmp/digests
+
+      - name: Docker - Set up Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker - Meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_REPO }}
+          flavor: |
+            latest=${{ env.TAG_LATEST }}
+            suffix=${{ env.TAG_SUFFIX }},onlatest=true
+          tags: |
+            type=semver,pattern={{version}}
+            type=raw,enable=${{ env.TAG_RAW }},value=latest
+            type=sha,enable=${{ env.TAG_SHA }}
+
+      - name: Docker - Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Docker - Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.DOCKER_REPO }}@sha256:%s ' *)
+
+      - name: Docker - Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.DOCKER_REPO }}:${{ steps.meta.outputs.version }}

.github/workflows/docker.yml

@@ -0,0 +1,29 @@
+name: Docker
+
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v*.*.*'
+    paths-ignore:
+      - '**/*.md'
+      - '.gitignore'
+      - '.dockerignore'
+      - 'docker/**'
+      - '!docker/Dockerfile'
+      - '.github/**'
+      - '!.github/workflows/docker.yml'
+      - '!.github/workflows/docker-reusable.yml'
+      - 'LICENSE-*'
+  workflow_dispatch:
+
+
+jobs:
+  build-and-push:
+    name: Build and Push
+    uses: ./.github/workflows/docker-reusable.yml
+    with:
+      tag_latest: ${{ github.ref_name == github.event.repository.default_branch || startsWith(github.ref, 'refs/tags/') }}
+    secrets: inherit

Dockerfile

@@ -1,17 +1,29 @@
-# Use Node.js LTS version
+# Variables
-FROM node:20-slim
+ARG BUILDER=node:20-alpine
+ARG IMAGE=${BUILDER}
+ARG APP_USER=root
+ARG APP_HOME=/app
 
-# Create app directory
-WORKDIR /usr/src/app
 
-# Copy package files
+# Build
-COPY package*.json ./
+FROM ${BUILDER} AS builder
+
+ARG APP_USER
+ARG APP_HOME
+
+WORKDIR ${APP_HOME}
+COPY --chown=${APP_USER}:${APP_USER} . .
 
-# Install dependencies
 RUN npm install
 
-# Copy source code
-COPY . .
 
-# Start the bot
+# Create
-CMD [ "node", "index.js" ] 
+FROM ${IMAGE}
+
+ARG APP_USER
+ARG APP_HOME
+
+WORKDIR ${APP_HOME}
+COPY --chown=${APP_USER}:${APP_USER} --from=builder ${APP_HOME} .
+
+CMD [ "node", "index.js" ]