Merge pull request #333 from fenollp/dockerfile

Build ghz docker image from latest tag then push to GHCR.io

.github/workflows/build.yaml

@@ -64,4 +64,13 @@ jobs:
     - name: Lint
       run: $HOME/go/bin/golangci-lint run --timeout=2m ./...
     - name: Test
-      run: go test -failfast -race -covermode=atomic -coverprofile=coverage.txt -cover -json ./... | $HOME/go/bin/tparse
+      run: go test -failfast -race -covermode=atomic -coverprofile=coverage.txt -cover -json ./... | $HOME/go/bin/tparse
+
+  build_docker_image:
+    name: Build Docker image from latest tag
+    runs-on: ubuntu-latest
+    steps:
+    - name: Build image
+      run: docker build https://github.com/bojand/ghz.git
+      env:
+        DOCKER_BUILDKIT: '1'

.github/workflows/release.yaml

@@ -146,4 +146,27 @@ jobs:
         with:
           formula-name: ghz
         env:
-          COMMITTER_TOKEN: ${{ secrets.GH_PAGES_ACTION_TOKEN }}
+          COMMITTER_TOKEN: ${{ secrets.GH_PAGES_ACTION_TOKEN }}
+
+  push_docker_image:
+    name: Push Docker image
+    needs: github_release
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Build image
+      run: docker build -t ghcr.io/${{ github.repository }} .
+      env:
+        DOCKER_BUILDKIT: '1'
+
+    - name: Log in to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Push image to GHCR
+      run: docker push ghcr.io/${{ github.repository }}

Dockerfile

@@ -0,0 +1,35 @@
+# syntax=docker.io/docker/dockerfile:1@sha256:42399d4635eddd7a9b8a24be879d2f9a930d0ed040a61324cfdf59ef1357b3b2
+
+FROM --platform=$BUILDPLATFORM docker.io/library/alpine:3.15 AS alpine
+FROM --platform=$BUILDPLATFORM gcr.io/distroless/base:nonroot@sha256:02f667185ccf78dbaaf79376b6904aea6d832638e1314387c2c2932f217ac5cb AS distroless
+
+FROM alpine AS osmap-linux
+RUN echo linux   >/os
+FROM alpine AS osmap-macos
+RUN echo darwin  >/os
+FROM alpine AS osmap-windows
+RUN echo windows >/os
+FROM osmap-$TARGETOS AS osmap
+
+FROM alpine AS fetcher
+WORKDIR /app
+RUN \
+    --mount=from=osmap,source=/os,target=/os \
+    set -ux \
+ && apk add --no-cache curl \
+ && export url=https://github.com/bojand/ghz/releases \
+ && export arch=x86_64 \
+ && export VERSION=$( ( curl -#fSLo /dev/null -w '%{url_effective}' $url/latest && echo ) | while read -r x; do basename $x; done) \
+ && curl -#fSLo exe.tar.gz $url/download/$VERSION/ghz-$(cat /os)-$arch.tar.gz \
+ && curl -#fSLo sha2 $url/download/$VERSION/ghz-$(cat /os)-$arch.tar.gz.sha256 \
+ && sha256sum exe.tar.gz | grep -F $(cat sha2) \
+ && tar xvf exe.tar.gz \
+ && rm ghz-web* && mkdir exe && mv ghz* exe/
+
+FROM scratch AS ghz-binary
+COPY --from=fetcher /app/exe/* /
+
+FROM distroless AS ghz
+COPY --from=ghz-binary --chown=nonroot /ghz /
+RUN ["/ghz", "--version"]
+ENTRYPOINT ["/ghz"]