hello world

Dockerfile

@@ -0,0 +1,20 @@
+# Use an official Python runtime as a parent image
+FROM python:3.9-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file
+COPY requirements.txt .
+
+# Install the dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY app.py .
+
+# Expose the port the application will run on
+EXPOSE 5000
+
+# Run the command to start the application when the container launches
+CMD ["python", "app.py"]

app.py

@@ -0,0 +1,11 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route("/")
+def hello_world():
+    return "<h1>Hello, World!</h1>"
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)
+    

docker-compose.yml

@@ -0,0 +1,7 @@
+version: "3.9"
+services:
+  web:
+    build: .
+    ports:
+      - "5000:5000"
+    restart: always

requirements.txt

@@ -0,0 +1 @@
+flask