Add dockerfile and container build

.github/workflows/docker-publish.yml

@@ -0,0 +1,59 @@
+name: Docker
+
+on:
+  push:
+    branches: ['master']
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

Dockerfile

@@ -0,0 +1,28 @@
+FROM golang AS build
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY zooid zooid
+COPY cmd cmd
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o bin/zooid cmd/relay/main.go
+
+FROM gcr.io/distroless/base-debian12 AS run
+
+WORKDIR /
+
+COPY --from=build /app/bin/zooid /bin/zooid
+
+USER nonroot:nonroot
+
+EXPOSE 3334
+
+ENV CONFIG=/tmp/config
+ENV MEDIA=/tmp/media
+ENV DATA=/tmp/data
+
+ENTRYPOINT ["/bin/zooid"]

README.md

@@ -105,7 +105,7 @@ can_manage = true
 
 See `justfile` for defined commands.
 
-## Deployment
+## Deploying on ubuntu
 
 ```sh
 # Add a user
@@ -139,7 +139,16 @@ service zooid start
 # Next, optionally set up a reverse proxy and create a config file for each virtual relay
 ```
 
-## TODO
+## Deploying via container
+
+Zooid can be run using an OCI container:
+
+```sh
+podman run -it \
+  -p 3334:3334 \
+  -v ./config:/tmp/config \
+  -v ./media:/tmp/media \
+  -v ./data:/tmp/data \
+  ghcr.io/coracle-social/zooid
+```
 
-- [ ] Free up resources after instance inactivity
-- [ ] Admin/member lists