Added Docker images creation and links

Author: gherynos

.github/workflows/release.yml

@@ -1,4 +1,5 @@
 ---
+# yamllint disable rule:line-length
 name: release
 
 on:
@@ -34,3 +35,25 @@ jobs:
           goarch: ${{ matrix.goarch }}
           goversion: "1.21.5"
           extra_files: LICENSE README.md
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm,linux/arm64
+          push: true
+          tags: gherynos/vault-backend:${{ github.ref_name }}, gherynos/vault-backend:latest

Dockerfile

@@ -0,0 +1,17 @@
+# Build the application
+FROM golang:1.21.5 as build
+
+WORKDIR /go/src/app
+COPY . .
+
+RUN go mod download
+RUN CGO_ENABLED=0 go build -o /go/bin/app
+
+# Base image
+FROM gcr.io/distroless/static-debian12:nonroot
+
+COPY --from=build /go/bin/app /
+
+EXPOSE 8080
+
+CMD ["/app"]

README.md

@@ -84,6 +84,16 @@ path "secret/metadata/vbk/cloud-services-lock"
 }
 ```
 
+## Docker
+
+The Docker images for Vault Backend are available here: <https://hub.docker.com/r/gherynos/vault-backend>
+
+Example execution command:
+
+```shell
+docker run -d -p 8080:8080 -e VAULT_URL=https://some.vault.address:8200 gherynos/vault-backend
+```
+
 ## Author
 
 > GitHub [@gherynos](https://github.com/gherynos)