Dockerfile

# Dockerfile for Readalong Studio Web API
# Build: `docker build --tag ras .`
# Run: `docker run -d -p 8000:8000 ras` for local testing, or use `-p` to map
# whichever host port you want to 8000 on the container. Set ORIGIN to the base
# URL of your Studio-Web for production deployments.

FROM alpine:latest AS runtime

ENV APPHOME=/opt/readalong-studio

# Lean, optimized installation of system dependencies
RUN apk add python3 py3-yaml git ffmpeg

FROM runtime AS build
WORKDIR $APPHOME
RUN apk add python3-dev py3-pip gcc g++ musl-dev ninja
RUN python3 -m venv --system-site-packages $APPHOME/venv
RUN . $APPHOME/venv/bin/activate \
    && python3 -m pip install --upgrade pip
COPY requirements*.txt $APPHOME/
RUN . $APPHOME/venv/bin/activate \
    && python3 -m pip install -r $APPHOME/requirements.txt
RUN . $APPHOME/venv/bin/activate \
    && python3 -m pip install soundswallower

# requirements.txt already gets g2p@main from github, no need to clone it separately
# RUN git clone --depth=1 https://github.com/NRC-ILT/g2p.git
# RUN cd $APPHOME/g2p \
#     && . $APPHOME/venv/bin/activate \
#     && SETUPTOOLS_SCM_PRETEND_VERSION=$(cat .SETUPTOOLS_SCM_PRETEND_VERSION) python3 -m pip install -e .

# Do this after all the above so we don't needlessly rebuild
COPY . $APPHOME/Studio
RUN cd $APPHOME/Studio \
    && . $APPHOME/venv/bin/activate \
    && python3 -m pip install -e .

FROM runtime
COPY --from=build $APPHOME $APPHOME
WORKDIR $APPHOME
ENV VIRTUAL_ENV=$APPHOME/venv
ENV PATH=$VIRTUAL_ENV/bin:$PATH

ENV PORT=8000
ENV ORIGIN=http://localhost:4200
EXPOSE $PORT
CMD gunicorn -w 4 -k uvicorn.workers.UvicornWorker readalongs.web_api:web_api_app --bind 0.0.0.0:$PORT