# Convert .rst files to .html in temporary build container
FROM python:3.12.3-alpine3.19 AS build

ARG version=master
ENV VERSION=$version

COPY requirements.txt /requirements.txt
COPY . /docs

RUN set -euxo pipefail \
  ; machine="$(uname -m)" \
  ; deps="gcc musl-dev" \
  ; [[ "${machine}" != x86_64 ]] && \
      deps="${deps} cargo" \
  ; apk add --no-cache --virtual .build-deps ${deps} \
  ; [[ "${machine}" == armv7* ]] && \
      mkdir -p /root/.cargo/registry/index && \
      git clone --bare https://github.com/rust-lang/crates.io-index.git /root/.cargo/registry/index/github.com-1285ae84e5963aae \
  ; pip3 install -r /requirements.txt \
  ; mkdir -p /build/$VERSION \
  ; sphinx-build -W /docs /build/$VERSION \
  ; apk del .build-deps \
  ; rm -rf /root/.cargo


# Build nginx deployment image including generated html
FROM nginx:1.25.5-alpine

ARG version=master
ARG pinned_version=master
ENV VERSION=$version
ENV TZ Etc/UTC
LABEL version=$VERSION

COPY ./nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=build /build/$VERSION /build/$VERSION

EXPOSE 80/tcp

CMD nginx -g "daemon off;"
RUN echo $pinned_version >> /version