Add Docker build

Dockerfile

@@ -0,0 +1,34 @@
+FROM lukemathwalker/cargo-chef:latest-rust-1.57.0 as chef
+WORKDIR /app
+
+FROM chef as planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef as builder
+RUN cargo install cargo-make
+RUN cargo install trunk
+RUN rustup target add wasm32-unknown-unknown
+COPY --from=planner /app/recipe.json recipe.json
+RUN cargo chef cook -p contextswitch --release --recipe-path recipe.json
+RUN cargo chef cook -p contextswitch-api --release --recipe-path recipe.json
+RUN cargo chef cook -p contextswitch-web --release --recipe-path recipe.json --target wasm32-unknown-unknown
+COPY . .
+RUN cargo make build-release
+RUN sed -i 's#http://localhost:8000/api#/api#' web/dist/snippets/contextswitch-web-*/js/api.js
+
+FROM debian:bullseye-slim AS runtime
+WORKDIR /app
+RUN mkdir /data
+RUN apt-get update -y \
+    && apt-get install -y --no-install-recommends openssl taskwarrior \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /app/target/release/contextswitch-api contextswitch
+COPY --from=builder /app/api/config/default.toml config/default.toml
+COPY --from=builder /app/web/dist/ .
+ENV CS_TASKWARRIOR.DATA_LOCATION /data
+ENV CS_APPLICATION.API_PATH /api
+ENV CS_APPLICATION.STATIC_PATH /
+CMD ["/app/contextswitch"]