added a dockerfile (#246)

Author: reggeenr

helloworld-samples/app-python/Dockerfile

@@ -0,0 +1,20 @@
+# Download dependencies in builder stage
+FROM registry.access.redhat.com/ubi9/python-311 AS builder
+
+COPY requirements.txt .
+RUN python -m pip install -r requirements.txt
+
+# Build final stage
+FROM gcr.io/distroless/python3
+
+ENV PYTHONPATH=/app/site-packages
+
+COPY --chown=1001:0 --from=builder /opt/app-root/lib/python3.11/site-packages ${PYTHONPATH}
+COPY --chown=1001:0 Procfile /app/
+COPY --chown=1001:0 main.py /app/
+
+USER 1001:0
+WORKDIR /app
+
+CMD ["main.py"]
+

helloworld-samples/app-python/main.py

@@ -1,6 +1,5 @@
 import os
-import jsonify
-from flask import Flask
+from flask import Flask, jsonify
 
 app = Flask(__name__)