FROM python:alpine AS base
WORKDIR /app

FROM base as deps
WORKDIR /app
COPY ./requirements.txt .
RUN pip install -r requirements.txt

FROM deps as scripts
WORKDIR /app
COPY ./backup.py .

FROM scripts as app
WORKDIR /app
COPY ./src ./src

FROM app AS env
WORKDIR /app
ARG CONSUMER_KEY
ARG CONSUMER_SECRET
ARG OAUTH_TOKEN
ARG OAUTH_SECRET
ARG BLOG_NAME
ENV TBS_TS="1999-09-09 09:09"
ENV TBS_CONSUMER_KEY "$CONSUMER_KEY"
ENV TBS_CONSUMER_SECRET "$CONSUMER_SECRET"
ENV TBS_OAUTH_TOKEN "$OAUTH_TOKEN"
ENV TBS_OAUTH_SECRET "$OAUTH_SECRET"
ENV TBS_BLOG_NAME "$BLOG_NAME"

FROM env AS final
RUN mkdir /app/site /app/src/posts
RUN python backup.py $TBS_BLOG_NAME
RUN (cd src && nikola build)

FROM docker.io/nginx:alpine AS www
COPY --from=final /app/site /usr/share/nginx/html
EXPOSE 80