Generate docker image on release and push to registry

.github/workflows/build-push-docker.yml

@@ -0,0 +1,64 @@
+name: Docker Image Build and Push
+on:
+  push:
+    tags:
+      - '*'
+
+env:
+  GHCR_REPO: "ghcr.io/rsksmart/powpeg-node"
+  DOCKERHUB_REPO: "rsksmart/powpeg-node"
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set version
+        id: vars
+        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.DOCKERHUB_REPO }}
+            ${{ env.GHCR_REPO }}
+          tags: |
+            type=ref,event=tag
+            type=edge
+            # This is used for generating IRIS-3 out of IRIS-3.x.y.
+            type=match,pattern=(\w+-\d+)\.\d+\.\d+.*,group=1
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker
+
+      - name: Build Docker Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: RSK_RELEASE=${{ steps.vars.outputs.tag }}
+
+      - name: DockerHub login
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: GitHub container registry login
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push Images
+        run: |
+          docker push ${{ env.DOCKERHUB_REPO }}
+          docker push ${{ env.GHCR_REPO }}

Dockerfile

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+FROM openjdk:8-jdk-slim-buster AS build
+
+ARG RSK_RELEASE
+ENV RSK_VERSION $RSK_RELEASE
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update -y && \
+    apt-get install -y git curl gnupg
+
+RUN useradd -ms /bin/bash rsk
+USER rsk
+
+WORKDIR /home/rsk
+COPY --chown=rsk:rsk . ./
+
+RUN gpg --keyserver https://secchannel.rsk.co/SUPPORT.asc --recv-keys 1DC9157991323D23FD37BAA7A6DBEAC640C5A14B && \
+    gpg --verify --output SHA256SUMS SHA256SUMS.asc && \
+    sha256sum --check SHA256SUMS && \
+    ./configure.sh && \
+    ./gradlew --no-daemon clean build -x test && \
+    cp "build/libs/federate-node-$RSK_VERSION-all.jar" rsk.jar
+
+FROM openjdk:8-jre-slim-buster
+LABEL org.opencontainers.image.authors="[email protected]"
+
+RUN useradd -ms /sbin/nologin -d /var/lib/rsk rsk
+USER rsk
+
+WORKDIR /var/lib/rsk
+COPY --from=build --chown=rsk:rsk /home/rsk/rsk.jar ./
+
+ENV DEFAULT_JVM_OPTS="-Xss4M"
+ENV RSKJ_SYS_PROPS="-Dlogback.configurationFile='/etc/rsk/logback.xml' -Drsk.conf.file=/etc/rsk/node.conf"
+ENV RSKJ_CLASS=co.rsk.federate.FederateRunner
+ENV RSKJ_OPTS=""
+
+ENTRYPOINT ["/bin/sh", "-c", "exec java $DEFAULT_JVM_OPTS $RSKJ_SYS_PROPS -cp rsk.jar $RSKJ_CLASS $RSKJ_OPTS \"${@}\"", "--"]