Dockerfile

# -----------------
# Cargo Build Stage
# -----------------

FROM rustlang/rust:nightly as cargo-build
WORKDIR /app

RUN cargo install diesel_cli --no-default-features --features "postgres"
RUN curl https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh -o /usr/local/bin/wait-for-it
RUN chmod +x /usr/local/bin/wait-for-it

COPY . .
RUN cargo install --features "production" --path . --verbose --locked

# -----------------
# Final Stage
# -----------------

FROM debian:stable-slim

RUN apt-get update && apt-get -y install ca-certificates libssl-dev libpq-dev && rm -rf /var/lib/apt/lists/*

COPY --from=cargo-build /usr/local/cargo/bin/rbot-discord /bin
COPY --from=cargo-build /usr/local/cargo/bin/diesel /bin
COPY --from=cargo-build /usr/local/bin/wait-for-it /bin/wait-for-it

COPY ./migrations migrations

CMD /bin/bash -c "wait-for-it ${DB_HOST}:5432 && diesel migration run && rbot-discord"