Dockerfile

FROM rocker/shiny-verse:latest

WORKDIR /code

# Expose the secret OPENAI_API_KEY at buildtime and use its value as an environment variable
RUN --mount=type=secret,id=OPENAI_API_KEY,mode=0444,required=true \
    echo "OPENAI_API_KEY=$(cat /run/secrets/OPENAI_API_KEY)" > .env

# Install stable packages from CRAN
RUN install2.r --error \
    shiny \
    bslib \
    httpuv \
    purrr \
    glue \
    httr2

COPY . .

CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]