Improvements

Signed-off-by: Mriyam Tamuli <mbtamuli@gmail.com>

.dockerignore

@@ -0,0 +1,32 @@
+# Include any files or directories that you don't want to be copied to your
+# container here (e.g., local build artifacts, temporary files, etc.).
+#
+# For more help, visit the .dockerignore file reference guide at
+# https://docs.docker.com/go/build-context-dockerignore/
+
+**/.DS_Store
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/bin
+**/charts
+**/docker-compose*
+**/compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

.github/workflows/05-image-build-push.yaml

@@ -0,0 +1,52 @@
+name: 05-image-build-push
+
+on: [push]
+
+jobs:
+  go-binary:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Cache Docker layers
+        uses: actions/cache@v3
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: "{{defaultContext}}"
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+      - # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+        name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

Dockerfile

@@ -0,0 +1,21 @@
+# syntax=docker/dockerfile:1
+
+ARG GO_VERSION=1.21
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION} AS build
+WORKDIR /src
+
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    --mount=type=bind,source=go.sum,target=go.sum \
+    --mount=type=bind,source=go.mod,target=go.mod \
+    go mod download -x
+
+ARG TARGETARCH
+
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    --mount=type=bind,target=. \
+    CGO_ENABLED=0 GOARCH=$TARGETARCH go build -o /go/bin/app ./go-program
+
+FROM gcr.io/distroless/static-debian12:latest AS final
+
+COPY --from=build /go/bin/app /
+CMD ["/app"]

README.md

@@ -8,6 +8,8 @@ Various proofs of concept examples using Github Actions 🤖
 | [![01-run-on-push](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/01-run-on-push.yaml/badge.svg)](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/01-run-on-push.yaml) | Runs on push event to any branch. |
 | [![02-run-after-another](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/02-run-after-another.yaml/badge.svg)](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/02-run-after-another.yaml) | Run after another workflow, in this case after [01-run-on-push](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/01-run-on-push.yaml) or [03-run-on-pull-request](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/03-run-on-pr.yaml) |
 | [![03-run-on-pull-request](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/03-run-on-pr.yaml/badge.svg)](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/03-run-on-pr.yaml) | Runs on pull request event for any branch. |
+| [![04-go-binary](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/04-go-binary.yaml/badge.svg)](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/04-go-binary.yaml) | Build a go binary |
+| [![05-docker-image-build-push](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/05-docker-image-build-push.yaml/badge.svg)](https://github.com/mbtamuli/github-actions-pocs/actions/workflows/05-docker-image.yaml) | Build container image and push to GHCR |
 
 
 ## Reference