edh-elo/Dockerfile
2025-04-05 13:45:05 -07:00

70 lines
1.8 KiB
Docker

# syntax=docker/dockerfile:1
ARG PYTHON_VERSION=3.10.14
FROM python:${PYTHON_VERSION}-slim AS base
# Prevents Python from writing pyc files.
ENV PYTHONDONTWRITEBYTECODE=1
# Keeps Python from buffering stdout and stderr to avoid situations where
# the application crashes without emitting any logs due to buffering.
ENV PYTHONUNBUFFERED=1
WORKDIR /app
# Create a non-privileged user that the app will run under.
# See https://docs.docker.com/go/dockerfile-user-best-practices/
ARG UID=10001
RUN adduser \
--disabled-password \
--gecos "" \
--home "/nonexistent" \
--shell "/sbin/nologin" \
--no-create-home \
--uid "${UID}" \
appuser
# Download dependencies as a separate step to take advantage of Docker's caching.
# Leverage a cache mount to /root/.cache/pip to speed up subsequent builds.
# Leverage a bind mount to requirements.txt to avoid having to copy them into
# into this layer.
RUN --mount=type=cache,target=/root/.cache/pip \
--mount=type=bind,source=requirements.txt,target=requirements.txt \
python -m pip install -r requirements.txt
# Create writeable directory for database
USER root
RUN mkdir database
RUN chmod 755 database
RUN chown appuser:appuser database
USER appuser
EXPOSE 8000
########
# Targets diverge from here
########
FROM base AS prod
USER root
RUN --mount=type=cache,target=/root/.cache/pip \
--mount=type=bind,source=requirements-prod-only.txt,target=requirements-prod-only.txt \
python -m pip install -r requirements-prod-only.txt
USER appuser
COPY . .
CMD uvicorn app:app --host 0.0.0.0
###
FROM base AS dev
# You probably want sqlite3 to poke around with the database anyway
USER root
RUN apt update
RUN apt install -y sqlite3
USER appuser
# Expects that the source code will be mounted into the container
CMD uvicorn app:app --reload --host 0.0.0.0 --log-config ./local-run-log-config.yaml