Dockerfile

# syntax=docker/dockerfile:1
FROM rust:bookworm AS chef

# some cargo dependencies require additional packages
# to build the project.
RUN apt-get update && apt-get install -y \
    g++

WORKDIR /app

RUN cargo install cargo-chef


FROM chef AS planner

COPY . .

RUN cargo chef prepare --recipe-path recipe.json


FROM chef AS builder

WORKDIR /app

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

# copy source code and build it
COPY . .

RUN cargo build --release


FROM debian:bookworm-slim AS runtime

# to be able to use ROOT CAs file from /etc/ssl/certs/
# folder, you must install the 'ca-certificates' package
RUN apt-get update && apt-get install -y \
    ca-certificates

WORKDIR /app

# to run the binary file you need:
# - environment file
COPY --from=builder /app/log4rs.yaml log4rs.yaml
COPY --from=builder /app/.env_template /.env
COPY --from=builder /app/serviceAccountKey.json_template /serviceAccountKey.json
COPY --from=builder /app/target/release/online online

ENTRYPOINT ["./online"]