Feature/ubuntu2204 python app

.python-version

@@ -0,0 +1 @@
+3.11.8

app/app.py

@@ -0,0 +1,14 @@
+import os
+
+from flask import Flask
+
+app = Flask(__name__)
+
+
+@app.route("/")
+def hello_world():
+    return "Hello, World!"
+
+
+if __name__ == "__main__":
+    app.run(port=os.environ.get("PORT", 3000), host="0.0.0.0")

dockerfile

@@ -0,0 +1,20 @@
+FROM ubuntu:24.04	
+WORKDIR /app
+COPY --chown=user1 requirements.txt ./
+
+# no need to have " / " 
+
+RUN useradd user1 
+apt-get update && \
+apt-get upgrade -y && \
+apt-get install -y \
+python3 \
+python3-pip
+
+
+RUN pip install --break-system-packages -r requirements.txt
+
+COPY --chown=user1  app/ /app
+
+# EXPOSE 5000
+CMD ["python3" , "-m" ,"flask" , "run" , "--host=0.0.0.0"  ] 

requirements.txt

@@ -0,0 +1,9 @@
+blinker==1.6.3 ; python_version >= "3.10" and python_version < "4.0"
+click==8.1.7 ; python_version >= "3.10" and python_version < "4.0"
+colorama==0.4.6 ; python_version >= "3.10" and python_version < "4.0" and platform_system == "Windows"
+flask==3.0.0 ; python_version >= "3.10" and python_version < "4.0"
+itsdangerous==2.1.2 ; python_version >= "3.10" and python_version < "4.0"
+jinja2==3.1.2 ; python_version >= "3.10" and python_version < "4.0"
+markupsafe==2.1.3 ; python_version >= "3.10" and python_version < "4.0"
+werkzeug==3.0.0 ; python_version >= "3.10" and python_version < "4.0"
+