dist/containers: publish distroless flood and rtorrent-flood images

.github/workflows/publish-rolling.yml

@@ -198,3 +198,52 @@ jobs:
         with:
           name: flood-win-arm64.exe
           path: dist-pkg/flood-win-arm64.exe
+
+  docker-distroless:
+    needs: pkg
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - uses: actions/download-artifact@v2
+        with:
+          name: flood-linux-arm64
+          path: dist-pkg
+      
+      - uses: actions/download-artifact@v2
+        with:
+          name: flood-linux-x64
+          path: dist-pkg
+
+      - name: Publish flood:master-distroless to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./distribution/containers/Dockerfile.distroless
+          target: flood
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: jesec/flood:master-distroless
+
+      - name: Publish rtorrent-flood:master-distroless to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./distribution/containers/Dockerfile.distroless
+          target: rtorrent-flood
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: jesec/rtorrent-flood:master-distroless

distribution/containers/Dockerfile.distroless

@@ -0,0 +1,46 @@
+FROM jesec/busybox-applets as busybox
+
+FROM alpine as build
+
+WORKDIR /root
+
+# Install Flood and dependencies to /bin
+RUN mkdir -p /root/sysroot/bin
+COPY dist-pkg dist-pkg
+RUN if [[ `uname -m` == "aarch64" ]]; \
+    then mv dist-pkg/flood-linux-arm64 flood; \
+    elif [[ `uname -m` == "x86_64" ]]; \
+    then mv dist-pkg/flood-linux-x64 flood; \
+    fi
+RUN mv flood /root/sysroot/bin/flood
+COPY --from=busybox /bin/busybox_DF /root/sysroot/bin/df
+RUN chmod 0555 /root/sysroot/bin/*
+
+# Create 1001:1001 user
+RUN mkdir -p /root/sysroot/home/download
+RUN chown 1001:1001 /root/sysroot/home/download
+
+# flood image
+FROM scratch as flood
+
+COPY --from=build /root/sysroot /
+
+# Run as 1001:1001 user
+ENV HOME=/home/download
+USER 1001:1001
+
+# Expose port 3000
+EXPOSE 3000
+
+# Flood
+ENTRYPOINT ["flood", "--host=0.0.0.0"]
+
+# rtorrent-flood image
+FROM jesec/rtorrent:master as rtorrent
+FROM flood as rtorrent-flood
+
+# Install rTorrent
+COPY --from=rtorrent / /
+
+# Flood with managed rTorrent daemon
+ENTRYPOINT ["flood", "--host=0.0.0.0", "--rtorrent"]