Update Dockerfile

Dockerfile

@@ -1,37 +1,24 @@
-# Build an intermediate image for the Python requirements
-FROM python:3.9-slim-buster as intermediate
+FROM python:3.11-alpine AS base
 
-# Install Git and Python requirements
-RUN apt update && apt install -y build-essential
+FROM base AS build
 COPY requirements.txt .
 RUN python -m pip install --user -r requirements.txt
 
-# Start from a fresh image
-FROM python:3.9-slim-buster
-
-# Keeps Python from generating .pyc files in the container
-ENV PYTHONDONTWRITEBYTECODE=1
-
-# Turns off buffering for easier container logging
-ENV PYTHONUNBUFFERED=1
-
-RUN useradd -u 4000 -d /app appuser
+FROM base AS app
+ENV PATH=$PATH:/app/.local/bin
+RUN adduser -u 4000 -h /app -D appuser
 WORKDIR /app
-
-# Copy over the Python requirements from the intermediate container
-COPY --from=intermediate /root/.local /app/.local
-
-RUN chown -R appuser: /app
-
 USER appuser
 
-# Set the main execution command
-ENTRYPOINT [".local/bin/waitress-serve", "main:app"]
-# HEALTHCHECK --interval=5s --timeout=30s --start-period=5s --retries=3 CMD [ "/app/healthcheck.sh" ]
-EXPOSE 8080/tcp
-
-# Copy in the code
+COPY --chown=appuser --from=build /root/.local /app/.local
 COPY slinky slinky/
 COPY templates templates/
 COPY config.yaml .
 COPY main.py .
+
+FROM app
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONPATH=/app
+ENTRYPOINT ["waitress-serve", "main:app"]
+EXPOSE 8080/tcp