# can be build on x64, arm32, arm64 platforms
# to build on target platform run 
# docker build -f Dockerfile.libc -t dessalines/lemmy:version ../..
#
# to use docker buildx run
# docker buildx build --platform linux/amd64,linux/arm64 -f Dockerfile.libc -t YOURNAME/lemmy --push ../..

FROM node:12-buster as node
# use this if use docker buildx 
#FROM --platform=$BUILDPLATFORM node:12-buster as node

WORKDIR /app/ui

# Cache deps
COPY ui/package.json ui/yarn.lock ./
RUN yarn install --pure-lockfile --network-timeout 100000

# Build
COPY ui /app/ui
RUN yarn build


FROM rust:1.42 as rust

# Cache deps
WORKDIR /app

RUN USER=root cargo new server
WORKDIR /app/server
COPY server/Cargo.toml server/Cargo.lock ./
RUN  mkdir -p ./src/bin \
  && echo 'fn main() { println!("Dummy") }' > ./src/bin/main.rs


RUN cargo build --release
#RUN cargo build && \
#    rm -f ./target/release/deps/lemmy_server* ; rm -f ./target/debug/deps/lemmy_server*
COPY server/src ./src/
COPY server/migrations ./migrations/


# build for release
# workaround for https://github.com/rust-lang/rust/issues/62896
#RUN RUSTFLAGS='-Ccodegen-units=1' cargo build --release
RUN cargo build --release --frozen
#RUN cargo build --frozen

# Get diesel-cli on there just in case
# RUN cargo install diesel_cli --no-default-features --features postgres

# make result place always the same for lemmy container
RUN cp /app/server/target/release/lemmy_server /app/server/ready
#RUN cp /app/server/target/debug/lemmy_server /app/server/ready


FROM rust:1.42 as docs

WORKDIR /app

# Build docs
COPY docs ./docs
RUN cargo install mdbook
RUN mdbook build docs/


#FROM alpine:3.10
# debian because build with dynamic linking with debian:buster
FROM debian:buster as lemmy

# Install libpq for postgres
#RUN apk add libpq
RUN apt-get update && apt-get install -y libpq5
RUN addgroup --gid 1000 lemmy
# for alpine
#RUN adduser -D -s /bin/sh -u 1000 -G lemmy lemmy
# for debian
RUN adduser --disabled-password --shell /bin/sh --uid 1000 --ingroup lemmy lemmy

# Copy resources
COPY server/config/defaults.hjson /config/defaults.hjson
COPY --from=node /app/ui/dist /app/dist
COPY --from=docs /app/docs/book/ /app/dist/documentation/
COPY --from=rust /app/server/ready /app/lemmy

RUN chown lemmy:lemmy /app/lemmy
USER lemmy
EXPOSE 8536
CMD ["/app/lemmy"]
