Reduce Docker image sizes with multi-stage builds (#8)

* Reduce Docker image sizes with multi-stage builds

docker-compose.yml

@@ -15,13 +15,6 @@ services:
     network_mode: host
     env_file:
       - .env
-  mqtt-topic-remapper:
-    build: ./mqtt-topic-remapper
-    container_name: mqtt-topic-remapper
-    restart: unless-stopped
-    network_mode: host
-    env_file:
-      - .env
 
 volumes:
   homekit-mqtt-bridge:

homekit-mqtt-bridge/Dockerfile

@@ -1,12 +1,18 @@
-FROM rust:1.72
+FROM rust:1.72 as builder
 
 COPY ./src ./homekit-mqtt-bridge/src
 COPY ./Cargo.toml ./homekit-mqtt-bridge/Cargo.toml
 
 WORKDIR ./homekit-mqtt-bridge
 
-RUN apt-get update && apt-get install -y libssl-dev && apt-get install -y cmake
+RUN apt-get update && apt-get install -y cmake
 
 RUN cargo build --release
 
-CMD ["./target/release/homekit-mqtt-bridge"]
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y openssl
+
+COPY --from=builder /homekit-mqtt-bridge/target/release/homekit-mqtt-bridge /usr/local/bin/homekit-mqtt-bridge
+
+CMD ["/usr/local/bin/homekit-mqtt-bridge"]

yeelight-controller/Dockerfile

@@ -1,12 +1,18 @@
-FROM rust:1.72
+FROM rust:1.72 as builder
 
 COPY ./src ./yeelight-controller/src
 COPY ./Cargo.toml ./yeelight-controller/Cargo.toml
 
 WORKDIR ./yeelight-controller
 
-RUN apt-get update && apt-get install -y libssl-dev && apt-get install -y cmake
+RUN apt-get update && apt-get install -y cmake
 
 RUN cargo build --release
 
-CMD ["./target/release/yeelight-controller"]
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y openssl
+
+COPY --from=builder /yeelight-controller/target/release/yeelight-controller /usr/local/bin/yeelight-controller
+
+CMD ["/usr/local/bin/yeelight-controller"]