Dockerfile

FROM rust:1.89-alpine AS builder

RUN apk add --no-cache musl-dev

WORKDIR /app

COPY Cargo.toml Cargo.lock ./

RUN mkdir src && echo "fn main() {}" > src/main.rs && cargo build --release && rm -rf src

COPY src ./src

RUN touch src/main.rs && cargo build --release

FROM alpine:3.19

RUN apk add --no-cache ca-certificates

WORKDIR /app

COPY --from=builder /app/target/release/BeerCache ./BeerCache

RUN addgroup -g 1000 beer && adduser -u 1000 -G beer -s /bin/sh -D beer

USER beer

CMD ["./BeerCache"]