Make github workflow build and publish a runnable restape image

.dockerignore

@@ -0,0 +1,88 @@
+##############################
+## Java
+##############################
+.mtj.tmp/
+*.class
+*.jar
+*.war
+*.ear
+*.nar
+hs_err_pid*
+
+##############################
+## Maven
+##############################
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+pom.xml.bak
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+##############################
+## Gradle
+##############################
+bin/
+/bin/
+build/
+.gradle
+.gradletasknamecache
+gradle-app.setting
+!gradle-wrapper.jar
+
+##############################
+## IntelliJ
+##############################
+out/
+.idea/
+.idea_modules/
+*.iml
+*.ipr
+*.iws
+
+##############################
+## Eclipse
+##############################
+.settings/
+/.settings/
+bin/
+tmp/
+.metadata
+.classpath
+.project
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.loadpath
+.factorypath
+
+##############################
+## NetBeans
+##############################
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+##############################
+## Visual Studio Code
+##############################
+.vscode/
+
+##############################
+## OS X
+##############################
+.DS_Store
+/lib/
+/apeOutputs/
+/https:/

.github/dependabot.yaml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+      day: "monday"
+  - package-ecosystem: docker
+    directory: "/"
+    schedule:
+      interval: "monthly"
+      day: "monday"

.github/workflows/clean-containers.yaml

@@ -0,0 +1,33 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: ghcr actions
+
+on:
+  schedule:
+    - cron: "21 21 * * *"
+
+jobs:
+  clean-ghcr:
+    name: Delete old unused container images
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: downcase REPO name
+        run: |
+          echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
+      - name: Delete 'PR' containers older than a week
+        uses: snok/[email protected]
+        with:
+          image-names: ${{ env.REGISTRY }}/${{ env.REPO }}
+          filter-tags: sha-*,sha256:*
+          skip-tags: latest
+          cut-off: A week ago UTC
+          account-type: org
+          org-name: ${{ github.repository_owner }}
+          keep-at-least: 1
+          token: ${{ secrets.GH_REPO_TOKEN }}
+          timestamp-to-use: updated_at

.github/workflows/publish.yaml

@@ -0,0 +1,50 @@
+name: Build and Publish
+
+on: [push]
+
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: downcase REPO name
+        run: |
+          echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.REPO }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=sha,enable=true,priority=100,prefix=sha-,suffix=,format=short
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: |
+            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
+            org.opencontainers.image.created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+            org.opencontainers.image.revision=${{ github.sha }}

Dockerfile

@@ -1,4 +1,21 @@
-FROM eclipse-temurin:17-jdk-jammy
+FROM maven:3-eclipse-temurin-17 AS builder
+
 WORKDIR /app
-COPY restape-0.2.4.jar /app
-ENTRYPOINT ["java", "-jar", "restape-0.2.4.jar"]
+
+COPY pom.xml pom.xml
+
+RUN --mount=type=cache,target=/root/.m2 \
+    mvn -f pom.xml dependency:resolve
+
+COPY . .
+
+RUN --mount=type=cache,target=/root/.m2 \
+    mvn -f pom.xml clean package
+
+
+FROM eclipse-temurin:17-jre-jammy 
+
+WORKDIR /app
+COPY --from=builder /app/target/*.jar /app/runner.jar
+
+ENTRYPOINT ["java", "-jar", "/app/runner.jar"]