added docker-publish

.github/workflows/docker-publish.yml

@@ -0,0 +1,83 @@
+name: 'docker-publish'
+#
+on:
+  push:
+    branches: [ master, main ]
+    tags: [ v* ]
+
+jobs:
+  docker:
+    name: 'docker-build-and-push'
+    runs-on: ubuntu-latest
+    steps:
+      # Checkout the repository to the GitHub Actions runner
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # Repo metadata
+      - name: Repo metadata
+        id: repo
+        uses: actions/github-script@v3
+        with:
+          script: |
+            const repo = await github.repos.get(context.repo)
+            return repo.data
+      # Prepare variables
+      - name: Prepare
+        id: prep
+        run: |
+          REG=ghcr.io
+          IMAGE=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')
+          DOCKER_IMAGE=${REG}/${IMAGE}
+          VERSION=nool
+          if [ "${{ github.event_name }}" = "schedule" ]; then
+            VERSION=nightly
+          elif [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          elif [[ $GITHUB_REF == refs/heads/* ]]; then
+            VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
+            if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
+              VERSION=latest
+            fi
+          elif [[ $GITHUB_REF == refs/pull/* ]]; then
+            VERSION=pr-${{ github.event.number }}
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION}"
+          if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+            MINOR=${VERSION%.*}
+            MAJOR=${MINOR%.*}
+            TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR},${DOCKER_IMAGE}:latest"
+          fi
+          echo ::set-output name=version::${VERSION}
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+      # Set up Buildx env
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      # Login
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Build image and push to registry
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: ${{ steps.prep.outputs.tags }}
+          labels: |
+            org.opencontainers.image.title=${{ fromJson(steps.repo.outputs.result).name }}
+            org.opencontainers.image.description=${{ fromJson(steps.repo.outputs.result).description }}
+            org.opencontainers.image.url=${{ fromJson(steps.repo.outputs.result).html_url }}
+            org.opencontainers.image.source=${{ fromJson(steps.repo.outputs.result).html_url }}
+            org.opencontainers.image.version=${{ steps.prep.outputs.version }}
+            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
+            org.opencontainers.image.revision=${{ github.sha }}
+            org.opencontainers.image.licenses=${{ fromJson(steps.repo.outputs.result).license.spdx_id }}

Dockerfile

@@ -1,17 +1,29 @@
-# Dockerfile
-FROM ubuntu:bionic
-LABEL maintainer="[email protected]"
+# syntax=docker/dockerfile:1.2
+FROM golang:1.19-bullseye as builder
+ENV DOCKER_BUILDKIT=1
 #
-# RUN go get -u github.com/getevo/evo
-RUN mkdir -p /go/src/keycloak-api-gateway
+WORKDIR /app
+COPY go.mod ./
+COPY . .
 #
+#COPY go.sum ./
+#RUN go mod tidy
+#RUN go mod graph | awk '{if ($1 !~ "@") print $2}' | xargs go get
+RUN --mount=type=cache,target=/go/pkg/mod \
+   --mount=type=cache,target=/root/.cache/go-build go mod tidy
 #
-WORKDIR /go/src/keycloak-api-gateway/
-# Only runtime
-#FROM golang:1.14.4-buster
-COPY --from=builder /go/src/keycloak-api-gateway/ /go/src/keycloak-api-gateway/
+RUN --mount=type=cache,target=/go/pkg/mod \
+   --mount=type=cache,target=/root/.cache/go-build go mod vendor
+#ARG VERSION
+RUN --mount=type=cache,target=/go/pkg/mod \
+   --mount=type=cache,target=/root/.cache/go-build \
+  CGO_ENABLED=0 go build  -installsuffix cgo -ldflags "-X main.version=1" ./main.go
 #
-EXPOSE 8010
 #
-CMD ["/go/src/keycloak-api-gateway/keycloak-api-gateway","-c","/go/src/keycloak-api-gateway/config.yml"]
+FROM phusion/baseimage:focal-1.2.0
+#
+COPY --from=builder /app /app
+WORKDIR /app
+#
+CMD [ "./main" ]
 #