Add dockerfile and build/publish workflow (#39)

.github/workflows/docker.yml

@@ -0,0 +1,15 @@
+name: Build Docker Images
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - '**'
+  pull_request:
+
+jobs:
+  package:
+    uses: Chia-Network/actions/.github/workflows/docker-build.yaml@main
+    with:
+      push: ${{ github.event_name != 'pull_request' }}

Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:1 AS builder
+
+COPY . /app
+WORKDIR /app
+RUN make build
+
+FROM gcr.io/distroless/static-debian12:latest
+COPY --from=builder /app/bin/chia-healthcheck /usr/bin/chia-healthcheck
+CMD ["/usr/bin/chia-healthcheck", "serve"]