Add Dockerfile and .dockerignore for containerized deployment (#48)

Multi-stage Alpine build: fetches dependencies first for layer caching,
then builds the release binary. Runtime image is minimal Alpine with
ca-certificates and tzdata.

Author: danielealbano

.dockerignore

@@ -0,0 +1,11 @@
+target
+.claude/
+.vscode/
+.github/
+docs/
+**/node_modules
+**/dist
+**/coverage
+*.log
+Dockerfile
+docker-compose.yml

Dockerfile

@@ -0,0 +1,40 @@
+FROM rust:1.91.1-alpine AS builder
+WORKDIR /app
+
+# Build
+
+RUN apk update && apk add --no-cache pkgconf openssl-dev openssl-libs-static
+
+# Very ugly trick to fetch the dependencis without the need of actually copying the source code
+COPY Cargo.toml Cargo.lock ./
+COPY mcp-tools-codegen/Cargo.toml mcp-tools-codegen/Cargo.toml
+RUN mkdir -p src mcp-tools-codegen/src \
+    && echo 'fn main() {}' > src/main.rs \
+    && echo 'pub fn dummy() {}' > mcp-tools-codegen/src/lib.rs
+
+RUN cargo fetch
+
+COPY . .
+
+RUN cargo build --release --bin mcp-for-azure-devops-boards
+
+# Runtime
+
+FROM alpine:3.22 AS runtime
+
+LABEL com.github.actions.name="auto publish"
+LABEL com.github.actions.icon="package"
+LABEL com.github.actions.color="blue"
+
+LABEL version="0.5.0"
+LABEL repository="https://github.com/danielealbano/mcp-for-azure-devops-boards"
+LABEL homepage="https://github.com/danielealbano/mcp-for-azure-devops-boards"
+LABEL maintainer="Daniele Salvatore Albano <d.albano@gmail.com>"
+
+RUN apk update && apk add --no-cache ca-certificates tzdata
+
+WORKDIR /app
+
+COPY --from=builder /app/target/release/mcp-for-azure-devops-boards /usr/local/bin/mcp-for-azure-devops-boards
+
+ENTRYPOINT ["mcp-for-azure-devops-boards"]