Dockerfile

FROM python:3.12.5-slim-bookworm
# node version in slim-bookworm is 18.19.0
# postgresql client is 15.8

SHELL ["/bin/bash", "-euo", "pipefail", "-c"]

# Install system packages required by Wagtail and Django.
RUN apt-get update --yes --quiet && apt-get install --yes --quiet --no-install-recommends \
    build-essential \
    curl \
    libpq-dev \
    libjpeg62-turbo-dev \
    postgresql-client \
    zlib1g-dev \
    libwebp-dev \
 && rm -rf /var/lib/apt/lists/*

# Port used by this container to serve HTTP.
EXPOSE 8080

# Set environment variables.
# 1. Force Python stdout and stderr streams to be unbuffered.
# 2. Set PORT variable that is used by Gunicorn. This should match "EXPOSE"
#    command.
ENV PYTHONUNBUFFERED=1 \
  PORT=8080

# Use /app folder as a directory where the source code is stored.
WORKDIR /app

# Install the project requirements.
COPY app/Makefile requirements.txt /app/
RUN make pip-setup && pip-sync requirements.txt

# Copy the source code of the project into the container.
COPY app /app/