Dockerfile

FROM python:3.12.1-slim-bookworm AS generator

ENV POETRY_VERSION=1.8.5 \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1

WORKDIR /app

RUN apt-get update \
    && apt-get install --no-install-recommends -y git \
    && pip install --no-cache-dir "poetry==$POETRY_VERSION" \
    && rm -rf /var/lib/apt/lists/*

COPY pyproject.toml poetry.lock ./
RUN poetry install --no-ansi

COPY . .

ARG FUTURECODER_LANGUAGE=en
ENV FUTURECODER_LANGUAGE=$FUTURECODER_LANGUAGE

RUN poetry run python -m translations.generate_po_file \
    && poetry run python -m scripts.ensure_complete_locales \
    && poetry run python -m scripts.improve_russian_locale \
    && mkdir -p /generated \
    && for language in en es fr pl ta zh ru; do \
        if FUTURECODER_LANGUAGE=$language poetry run python -m scripts.generate_static_files; then \
            mkdir -p /generated/$language \
            && cp -r frontend /generated/$language/ \
            && printf '%s' "$language" > /generated/$language/effective_language; \
        elif [ "$language" != "en" ]; then \
            echo "$language: using the English course fallback because the legacy locale is incompatible" \
            && mkdir -p /generated/$language \
            && cp -r /generated/en/frontend /generated/$language/ \
            && printf 'en' > /generated/$language/effective_language; \
        else \
            exit 1; \
        fi; \
    done \
    && poetry run python -m scripts.prepare_localized_homepages


FROM node:22-bookworm-slim AS frontend-deps

WORKDIR /frontend

COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci


FROM frontend-deps AS frontend-builder

COPY --from=generator /generated /generated
COPY frontend /frontend
COPY scripts/build_localized_courses.sh /build_localized_courses.sh

RUN sh /build_localized_courses.sh


FROM frontend-deps AS homepage-builder

COPY homepage /homepage
RUN ./node_modules/.bin/sass /homepage/static/css


FROM nginx:1.27-alpine

COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=homepage-builder /homepage/ /usr/share/nginx/html/
COPY --from=generator /app/prepared_homepages/ /usr/share/nginx/html/
COPY --from=frontend-builder /courses/ /usr/share/nginx/html/

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget -q --spider http://127.0.0.1/ru/course/ || exit 1