Add Docker support

.github/workflows/docker.yml

@@ -0,0 +1,71 @@
+name: Build and Publish Multi-Arch Image
+
+on:
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: 'Branch, tag, or commit SHA to build'
+        required: true
+        default: 'main'
+        type: string
+
+env:
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.ref }}
+
+      # Set up QEMU for multi-platform support (required for arm64)
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      # Set up Docker Buildx
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # Login against a Docker registry (except on PR)
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+
+      # Build and push Docker image with Buildx
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          # Define the platforms for multi-arch
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          # Use GitHub cache to speed up subsequent builds
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

DOCKER.md

@@ -0,0 +1,21 @@
+# Docker
+
+1. Build the docker image:
+    ```shell
+    docker build -t davx5-mcp -f docker/Dockerfile .
+    ```
+2. Start the container:
+    ```shell
+    docker run -p 3000 -v davx5-mcp-data:/app/data davx5-mcp
+    ```
+
+# Docker Compose
+
+1. Build the docker image:
+    ```shell
+    docker compose -f docker/compose.yml build
+    ```
+2. Start the container:
+    ```shell
+    docker compose -f docker/compose.yml up
+    ```

docker/Dockerfile

@@ -0,0 +1,25 @@
+# Stage 1: Cache Gradle dependencies
+FROM gradle:latest AS cache
+RUN mkdir -p /home/gradle/cache_home
+ENV GRADLE_USER_HOME=/home/gradle/cache_home
+COPY build.gradle.* gradle.properties /home/gradle/app/
+COPY gradle /home/gradle/app/gradle
+WORKDIR /home/gradle/app
+RUN gradle dependencies --no-daemon
+
+# Stage 2: Build Application
+FROM gradle:latest AS build
+COPY --from=cache /home/gradle/cache_home /home/gradle/.gradle
+COPY --chown=gradle:gradle . /home/gradle/src
+WORKDIR /home/gradle/src
+# Build the fat JAR, Gradle also supports shadow
+# and boot JAR by default.
+RUN gradle fatJar --no-daemon
+
+# Stage 3: Create the Runtime Image
+FROM amazoncorretto:21-alpine AS runtime
+EXPOSE 3000
+RUN mkdir /app
+WORKDIR /app
+COPY --from=build /home/gradle/src/server/build/libs/*.jar /app/server.jar
+ENTRYPOINT ["java","-jar","/app/server.jar"]

docker/compose.yml

@@ -0,0 +1,9 @@
+services:
+  davx5-mcp:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile
+    ports:
+      - 3000:3000
+    volumes:
+      - ./data:/app/data

server/src/main/kotlin/at/bitfire/labs/davmcp/McpServer.kt

@@ -33,7 +33,7 @@ class McpServer @Inject constructor(
 
     fun start(port: Int) {
         println("Running MCP server")
-        embeddedServer(CIO, host = "127.0.0.1", port = port) {
+        embeddedServer(CIO, host = "0.0.0.0", port = port) {
             install(SSE)
             install(ContentNegotiation) {
                 json(McpJson)