ID:FCLD-228;DONE:7;HOURS:7; system file gen test in builder

Dockerfile

@@ -0,0 +1,49 @@
+### SYSTEM GENERATED FILE, MAKE CHANGES AS NEEDED ###
+
+# Build a virtualenv using the appropriate Debian release
+# * Install python3-venv for the built-in Python3 venv module (not installed by default)
+# * Install gcc libpython3-dev to compile C Python modules
+# * In the virtualenv: Update pip setuputils and wheel to support building new packages
+FROM debian:11-slim AS build
+RUN apt-get update && \
+    apt-get install --no-install-suggests --no-install-recommends --yes python3-venv gcc libpython3-dev && \
+    python3 -m venv /venv && \
+    /venv/bin/pip install --upgrade pip setuptools wheel
+
+# Build the virtualenv as a separate step: Only re-execute this step when packages changes
+FROM build AS build-venv
+
+# Install flask for starting the web server
+RUN /venv/bin/pip install -U Flask waitress gunicorn
+
+### COMMENT AS NEEDED ###
+# Check if requirements.txt exists before copying
+# If the path exists, copy requirements.txt into the builder stage
+# Using glob pattern so that build does not fail if requirements.txt does not exist
+COPY requirements.tx[t] /requirements.txt
+
+### DEFAULT BOOTSTRAP BUILD CODE, RUN LOCALLY TO GENERATE requirements.txt ###
+# If requirements.txt exists and not empty, install the listed packages
+# If it doesn't exist or is empty, print a message and skip the installation
+RUN if [ -s requirements.txt ]; then \
+        /venv/bin/pip install --disable-pip-version-check -r /requirements.txt; \
+    else \
+        echo "No requirements.txt found, skipping installation"; \
+    fi
+
+# Start a new stage with a distroless image for smaller image size and improved security
+FROM gcr.io/distroless/python3-debian11
+
+# Copy the /venv directory from the builder stage into the current stage
+# This includes the application code and the dependencies
+COPY --from=build-venv /venv /venv
+
+# Copy the rest of the application code
+COPY . /python-buildpack-func-sample
+
+# Set /python-buildpack-func-sample as the working directory in the current stage
+WORKDIR /python-buildpack-func-sample
+
+# Set the command to run when the container starts
+# This will start the application by running entrypoint file
+ENTRYPOINT [ "/venv/bin/python3", "autogen_index.py" ]

fc.toml

@@ -0,0 +1,15 @@
+app = "python-dockerfile-app-sample"
+region = "asia-south1"
+handler = ""
+
+[build]
+  dockerfile = "Dockerfile"
+  ignorefile = ".gitignore"
+  [build.args]
+    foo = "bar"
+
+[env]
+  FOO = "BAR"
+
+[http_service]
+  internal_port = 3000

index.py

@@ -0,0 +1,10 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello():
+    return 'Hello World!'
+
+if __name__ == '__main__':
+    app.run(port=3000)

requirements.txt

@@ -0,0 +1 @@
+Flask==3.0.3