FROM caddy:2-alpine

ARG DOMAIN='gman.me'

# Prepair utils
RUN apk add --no-cache git

# Pull frontend
RUN git clone --depth=1 https://git.iamonlyherefortheicecream.ml/g/photovoter-front.git /srv && \
    rm -rf /srv/.git /srv/.gitignore

# Clean up
RUN apk del git

# Configure domain
RUN sed --in-place \
        --expression "s#http://127.0.0.1:8000#http://$DOMAIN/api/v1#g" \
        --expression "s#http://127.0.0.1:\${serverPort}#http://$DOMAIN/api/v1#g" \
        --expression "s#http://127.0.0.1:5500#http://$DOMAIN/photos#g" \
        /srv/app.js

# Configure caddy
# follow https://github.com/tiangolo/fastapi/issues/102 
# to fix openapi.json hardcode ugliness 
RUN echo -e \
        "$DOMAIN {\n" \
        "    root * /srv\n" \
        "    file_server\n" \
        "\n" \
        "    handle_path /api/v1/* {\n" \
        "        rewrite * {path}\n" \
        "        reverse_proxy backend:8000\n" \
        "    }\n" \
        "\n" \
        "    redir /openapi.json /api/v1/openapi.json permanent\n" \
        "}" \
        > /etc/caddy/Caddyfile

ONBUILD RUN caddy validate