Merge pull request #38 from bottlepay/docker-build

Add Docker build

.github/workflows/docker-build.yml

@@ -0,0 +1,80 @@
+name: Create and publish a Docker image
+
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build the Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+
+      - name: "Debian: Extract metadata (tags, labels) for Docker"
+        id: debian_meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=tag
+            type=sha
+          flavor: |
+            latest=auto
+
+      - name: "Debian: Push Docker image"
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.debian_meta.outputs.tags }}
+          labels: ${{ steps.debian_meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          target: debian
+
+      - name: "Alpine: Extract metadata (tags, labels) for Docker"
+        id: alpine_meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=tag
+            type=sha
+          flavor: |
+            suffix=-alpine
+
+      - name: "Alpine: Push Docker image"
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.alpine_meta.outputs.tags }}
+          labels: ${{ steps.alpine_meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          target: alpine

Dockerfile

@@ -0,0 +1,44 @@
+FROM golang:1.18-alpine AS build
+
+ARG LEDGER_COMMIT="dirty"
+ARG LEDGER_TAG="dev"
+
+COPY . /go/src/github.com/bottlepay/lnmux
+
+RUN cd /go/src/github.com/bottlepay/lnmux \
+    && GOOS=linux CGO_ENABLED=0 go install \
+        github.com/bottlepay/lnmux/cmd/...
+
+### Build an Alpine image
+FROM alpine:3.16 as alpine
+
+# Update CA certs
+RUN apk add --no-cache ca-certificates && rm -rf /var/cache/apk/*
+
+# Copy over app binary
+COPY --from=build /go/bin/lnmuxd /usr/bin/lnmuxd
+
+# Add a user
+RUN mkdir -p /app && adduser -D lnmux && chown -R lnmux /app
+USER lnmux
+
+WORKDIR /app/
+
+CMD [ "/usr/bin/lnmuxd" ]
+
+### Build a Debian image
+FROM debian:bullseye-slim as debian
+
+# Update CA certs
+RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+
+# Copy over app binary
+COPY --from=build /go/bin/lnmuxd /usr/bin/lnmuxd
+
+# Add a user
+RUN mkdir -p /app && adduser --disabled-login lnmux && chown -R lnmux /app
+USER lnmux
+
+WORKDIR /app
+
+CMD [ "/usr/bin/lnmuxd" ]