Foundation

app/Dockerfile

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+FROM python:3.9-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 5000
+
+CMD ["python", "app.py"]

app/requirements.txt

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+Flask
+mysql-connector-python

docker-compose.yml

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+version: '3.8'
+
+services:
+  app:
+    build:
+      context: ./app
+      dockerfile: Dockerfile
+    volumes:
+      - ./app:/app
+    environment:
+      - FLASK_APP=app.py
+      - FLASK_ENV=development
+    depends_on:
+      - db
+  nginx:
+    build:
+      context: ./nginx
+      dockerfile: Dockerfile
+    ports:
+      - "80:80"
+    depends_on:
+      - app
+  db:
+    image: mariadb:10.6
+    environment:
+      MYSQL_ROOT_PASSWORD: your_root_password
+      MYSQL_DATABASE: radius
+      MYSQL_USER: radiususer
+      MYSQL_PASSWORD: radiuspassword
+    volumes:
+      - ./db-data:/var/lib/mysql # persistant data.

nginx/Dockerfile

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+FROM nginx:alpine
+
+COPY nginx.conf /etc/nginx/nginx.conf

nginx/nginx.conf

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+events {}
+
+http {
+    server {
+        listen 80;
+        server_name localhost;
+
+        location / {
+            proxy_pass http://app:5000;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+    }
+}