ci: build / release action (#6)

Create docker images on github and docker hub on each
commit to `main`. Create release images on git tag as well
as Github release with executables.

.devcontainer/devcontainer.json

@@ -20,5 +20,15 @@
 	// Configure tool-specific properties.
 	// "customizations": {},
 	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-	"remoteUser": "root"
+	"remoteUser": "root",
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"redhat.vscode-yaml",
+				"streetsidesoftware.code-spell-checker",
+				"golang.go",
+				"github.vscode-github-actions"
+			]
+		}
+	}
 }

.github/dependabot.yml

@@ -10,3 +10,7 @@ updates:
    directory: "/"
    schedule:
      interval: weekly
+ - package-ecosystem: "github-actions"
+   directory: "/"
+   schedule:
+    interval: "weekly"

.github/workflows/action.yml

@@ -0,0 +1,113 @@
+name: Build / Release
+
+on:
+  push:
+    branches: [ "main" ]
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  docker:
+    name: Docker Publish
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set Docker Platforms For Branch
+        id: set-platforms
+        run: |
+          if [[ ${{ startsWith(github.ref, 'refs/tags/v')  }} == 'true' ]]; then
+              echo "DOCKER_PLATFORMS=linux/amd64,linux/arm64,linux/arm" >> "$GITHUB_OUTPUT"
+          else
+              echo "DOCKER_PLATFORMS=linux/amd64" >> "$GITHUB_OUTPUT"
+          fi
+
+      # Set up BuildKit Docker container builder to be able to build
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # Login against a Docker registry except on PR
+      # https://github.com/docker/login-action
+      - name: Log into Github Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        with:
+          images: |
+            evanbuss/opds-proxy
+            ghcr.io/${{ github.repository }}
+          flavor: |
+            latest=auto
+          tags: |
+            type=edge,branch=main
+            type=semver,pattern={{version}}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ steps.set-platforms.outputs.DOCKER_PLATFORMS}}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Docker Hub Description
+        uses: peter-evans/dockerhub-description@v4
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+          repository: evanbuss/opds-proxy
+          short-description: Access your OPDS library from any eReader
+
+  release:
+    name: Github Release
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 'stable'
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+

.gitignore

@@ -50,4 +50,5 @@ tmp
 # This file includes artifacts of Go build that should not be checked in.
 # For files created by specific development environment (e.g. editor),
 # use alternative ways to exclude files from git.
-# For example, set up .git/info/exclude or use a global .gitignore.
+# For example, set up .git/info/exclude or use a global .gitignore.
+dist/

.goreleaser.yaml

@@ -0,0 +1,59 @@
+# This is an example .goreleaser.yml file with some sensible defaults.
+# Make sure to check the documentation at https://goreleaser.com
+
+# The lines below are called `modelines`. See `:help modeline`
+# Feel free to remove those if you don't want/need to use them.
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj
+
+version: 2
+
+project_name: opds-proxy
+report_sizes: true
+
+before:
+  hooks:
+    - go mod tidy
+    - go generate ./...
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+
+archives:
+  - format: tar.gz
+    # this name template makes the OS and Arch compatible with the results of `uname`.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    # use zip for windows archives
+    format_overrides:
+      - goos: windows
+        format: zip
+
+checksum:
+  name_template: "checksums.txt"
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+      - "^refactor:"
+
+release:
+  github:
+    owner: evan-buss
+    name: opds-proxy

.vscode/settings.json

@@ -4,5 +4,8 @@
         "kepub",
         "mobi",
         "opds"
-    ]
+    ],
+    "[github-actions-workflow]": {
+        "editor.defaultFormatter": "redhat.vscode-yaml",
+    }
 }