nxtgauge-backend-rust/apps/fitness_trainers/Dockerfile

FROM rust:latest AS builder

WORKDIR /usr/src/app

RUN apt-get update && apt-get install -y \
    pkg-config \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

COPY Cargo.toml Cargo.lock ./
COPY crates ./crates
COPY apps ./apps

ENV CARGO_BUILD_JOBS=2
RUN cargo build --release --bin fitness_trainers

FROM debian:trixie-slim AS runtime

RUN apt-get update && apt-get install -y \
    ca-certificates \
    libssl3 \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 appuser
WORKDIR /app

COPY --from=builder /usr/src/app/target/release/fitness_trainers ./fitness_trainers

USER appuser

CMD ["./fitness_trainers"]