feat: slim down image

Signed-off-by: Daniel Bluhm <[email protected]>

Dockerfile

@@ -1,9 +1,10 @@
-FROM python:3.7 AS base
+FROM python:3.7-slim-bullseye AS base
 WORKDIR /app
 
 # Install and configure poetry
 ENV POETRY_VERSION=1.1.11
 ENV POETRY_HOME=/opt/poetry
+RUN apt update && apt install -y curl && apt clean
 RUN curl -sSL https://install.python-poetry.org | python -
 
 ENV PATH="/opt/poetry/bin:$PATH"
@@ -14,10 +15,12 @@ RUN mkdir src && touch src/__init__.py
 COPY pyproject.toml poetry.lock README.md ./
 RUN poetry install --no-dev -E server
 
-FROM python:3.7
+FROM python:3.7-slim-bullseye
+LABEL healthcheck="nc -z 127.0.0.1 80"
 WORKDIR /app
 COPY --from=base /app/.venv /app/.venv
 ENV PATH="/app/.venv/bin:$PATH"
+RUN apt update && apt install -y netcat && apt clean
 EXPOSE 80
 
 COPY src src