Use python:3.12-alpine

Author: tupui

Dockerfile

@@ -1,17 +1,13 @@
 ## Step 1/3: Base image
-FROM python:3.11-slim-bookworm as base
-RUN \
-    --mount=type=cache,target=/var/cache/apt \
-    apt-get update && apt-get upgrade -y && apt install curl -y
+FROM python:3.12-alpine as base
 
 ## Step 2/3: Build/Install app dependencies
 FROM base as builder
 # Allow statements and log messages to immediately appear in the Knative logs
-ENV PYTHONUNBUFFERED True
+ENV PYTHONUNBUFFERED=True
 
 COPY pyproject.toml README.md /
 
-RUN --mount=type=cache,target=/var/cache/apt apt install -y gcc git
 RUN --mount=type=cache,mode=0777,target=/root/.cache/pip \
     pip install --upgrade pip setuptools wheel && \
     pip install -e ".[dashboard]"  && \
@@ -25,18 +21,18 @@ COPY docs/_static /app/_static
 # Step 3/3: Image
 FROM  base as panel
 # Allow statements and log messages to immediately appear in the Knative logs
-ENV PYTHONUNBUFFERED True
+ENV PYTHONUNBUFFERED=True
 ENV PYTHONPATH=/app/src
 ENV PYTHONIOENCODING=utf-8
-ENV ENV=production
 ENV MPLCONFIGDIR=/tmp/matplotlib
 EXPOSE 8080
 
-COPY --from=builder /usr/local/lib/python3.11/site-packages/ /usr/local/lib/python3.11/site-packages/
+COPY --from=builder /usr/local/lib/python3.12/site-packages/ /usr/local/lib/python3.12/site-packages/
 COPY --from=builder /usr/local/bin/panel /usr/local/bin/panel
 COPY --from=builder /app /app
 
-RUN useradd app && usermod -a -G app app
+RUN addgroup -S app && adduser -S app -G app
+
 USER app
 WORKDIR /app