Dockerfile

# using cargo chef to optimize build time by caching the dependencies of your project
FROM lukemathwalker/cargo-chef:latest-rust-1.63.0 AS chef
WORKDIR /app

FROM chef as planner
#copy all files from our work environment to our Docker image
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
COPY . .
RUN cargo build --release --bin zero2prod

#Start with a rust docker image
FROM debian:bullseye-slim AS runtime
WORKDIR /app
RUN apt-get update -y \
    && apt-get install -y --no-install-recommends openssl ca-certificates \
    # Clean up
    && apt-get autoremove -y \
    && apt-get clean -y \
    && rm -rf /var/lib/apt/lists/*
COPY --from=builder /app/target/release/zero2prod zero2prod
COPY configuration configuration
ENV APP_ENVIRONMENT production
ENTRYPOINT ["./zero2prod"]