diff --git a/Dockerfile b/Dockerfile
index 12dc7a5f..54329ad7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,15 +5,9 @@ RUN apt-get install -y --no-install-recommends libasound2-dev libudev-dev
 RUN rustup target add wasm32-unknown-unknown
 RUN cargo install --locked wasm-bindgen-cli
 
-# Copy only the package manifest and source code. Otherwise changes to anything
-# will cause Docker to re-run `cargo build` even when the source hasn't changed.
-COPY src/ ./src
-COPY Cargo.toml ./Cargo.toml
-COPY Cargo.lock ./Cargo.lock
+COPY . .
 
-RUN cargo build --locked --target wasm32-unknown-unknown --profile=wasm-release
-RUN wasm-bindgen --no-typescript --target web --out-dir ./out/ --out-name "boids" target/wasm32-unknown-unknown/wasm-release/another-boids-in-rust.wasm
-COPY www/index.html out/index.html
+RUN make -j
 
 FROM busybox:musl
 RUN mkdir -p /var/www