Add Dockerfile and release GH action

Author: adzialocha

.github/workflows/docker.yml

@@ -0,0 +1,36 @@
+name: docker
+
+on:
+  push:
+    tags:
+      - v[0-9]+.[0-9]+.[0-9]+
+
+jobs:
+  build-and-push:
+    name: build-and-push
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get ref
+        id: parse_ref
+        run: |
+          echo ::set-output name=tag::${GITHUB_REF/refs\/tags\//}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: |
+            p2panda/bootstrap:latest
+            p2panda/bootstrap:${{ steps.parse_ref.outputs.tag }}

Dockerfile

@@ -0,0 +1,19 @@
+FROM clux/muslrust:stable AS BUILDER
+
+# Add source code
+ADD . ./
+
+# Build our application
+RUN cargo build --release
+
+# Now, we need to build our _real_ Docker container, copying in `bootstrap`
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+COPY --from=BUILDER \
+    /volume/target/x86_64-unknown-linux-musl/release/bootstrap \
+    /usr/local/bin/
+
+ENV NETWORK_ID ""
+ENV RELAY_URL https://wasser.liebechaos.org
+
+CMD /usr/local/bin/bootstrap --network-id $NETWORK_ID --relay-url $RELAY_URL

README.md

@@ -52,7 +52,7 @@ Options:
 
 ## Example
 
-`bootstrap -p "." -n chat -r https://wasser.liebechaos.org/`
+`bootstrap --network-id chat --relay-url https://wasser.liebechaos.org/`
 
 ```
 node id: