Dockerfile

# Get started with a build env with Rust nightly
FROM rustlang/rust:nightly-bookworm AS builder

# Install required tools
RUN apt-get update -y \
  && apt-get install -y --no-install-recommends clang

# Install cargo-leptos
RUN curl --proto '=https' --tlsv1.2 -LsSf https://github.com/leptos-rs/cargo-leptos/releases/download/v0.3.6/cargo-leptos-installer.sh | sh

# Add the WASM target
RUN rustup target add wasm32-unknown-unknown

# Make an /app dir, which everything will eventually live in
RUN mkdir -p /app
WORKDIR /app
COPY . .

# Build the app
ENV LEPTOS_HASH_FILES="true"
RUN cargo leptos build --release -vv

FROM debian:bookworm-slim AS runtime
WORKDIR /app
RUN apt-get update -y \
  && apt-get install -y --no-install-recommends openssl ca-certificates \
  && apt-get autoremove -y \
  && apt-get clean -y \
  && rm -rf /var/lib/apt/lists/*

# Copy the server binary to the /app directory
COPY --from=builder /app/target/release/minesweeper-web /app/
COPY --from=builder /app/target/release/hash.txt /app/

# /target/site contains our JS/WASM/CSS, etc.
COPY --from=builder /app/target/site /app/site
# Copy Cargo.toml if it’s needed at runtime
COPY --from=builder /app/Cargo.toml /app/

RUN touch /app/.env

WORKDIR /app

# Set any required env variables and
ENV RUST_LOG="info"
ENV RUST_BACKTRACE=1
# Only add backtraces for panics
ENV RUST_LIB_BACKTRACE=0
ENV LEPTOS_SITE_ADDR="0.0.0.0:8080"
ENV LEPTOS_SITE_ROOT="site"
ENV LEPTOS_HASH_FILES="true"
EXPOSE 8080

# Run the server
CMD ["/bin/bash", "-c", "touch /app/db/mines.db && /app/minesweeper-web"]