# This is a simple, stand-alone server image for hosting the WASM file.
# It is not intended to integrate with other webpages, webservers, or sites
# on an existing server. For that, you must patch the code yourself.
FROM rust AS builder

# Install build tools
RUN rustup target add wasm32-unknown-unknown
RUN cargo install --locked wasm-bindgen-cli

# Build the program

# Copy in only the Rust source so the builder doesn't discard any cached build
# layers just because the README changed.
COPY src/ src/
COPY Cargo.toml Cargo.toml
COPY Cargo.lock Cargo.lock
COPY .cargo .cargo

RUN cargo build --locked --target wasm32-unknown-unknown --release
RUN wasm-bindgen \
    --no-typescript \
    --target web \
    --out-dir out/ \
    --out-name "chaos-game-rs" \
    target/wasm32-unknown-unknown/release/chaos-game-rs.wasm


# Copy WASM & JS to a new image for use
FROM busybox:musl
RUN mkdir -p /var/www
COPY --from=builder out/ /var/www
COPY index.html /var/www/index.html

WORKDIR /var/www

EXPOSE 8080/tcp

CMD ["httpd", "-f"]