cuddle-rust-plan/templates/build_release.Dockerfile

FROM rust:1.70 AS chef 
# We only pay the installation cost once, 
# it will be cached from the second build onwards
RUN <<EOF 
  curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh | bash
EOF

ENV DOCKER_BUILD=true
ENV SQLX_OFFLINE true

RUN <<EOF
  apt update -y && apt install -y libc6-dev libssl-dev libpq-dev 
EOF

RUN cargo binstall --no-confirm --no-symlinks cargo-chef 
WORKDIR app

FROM chef AS planner
COPY . .
RUN cargo chef prepare  --recipe-path recipe.json

FROM chef AS builder
COPY --from=planner /app/recipe.json recipe.json
# Build dependencies - this is the caching Docker layer!
RUN cargo chef cook --release --recipe-path recipe.json
# Build application
ARG BIN_NAME
COPY . .
RUN cargo build --release --bin $BIN_NAME

# We do not need the Rust toolchain to run the binary!
FROM debian:buster-slim as runtime
ARG BIN_NAME

WORKDIR app

COPY --from=builder /app/target/release/$BIN_NAME /usr/local/bin
CMD ["/usr/local/bin/$BIN_NAME"]