Added Flask/Redis

Signed-off-by: ajeetraina <ajeetraina@gmail.com>

flask-redis/Dockerfile

@@ -0,0 +1,5 @@
+FROM python
+ADD . /code
+WORKDIR /code
+RUN pip install -r requirements.txt
+CMD python app.py

flask-redis/app.py

@@ -0,0 +1,15 @@
+# compose_flask/app.py
+from flask import Flask
+from redis import Redis
+
+app = Flask(__name__)
+redis = Redis(host='redis', port=6379)
+
+@app.route('/')
+def hello():
+    redis.incr('hits')
+    return 'This webpage has been viewed %s time(s).' % redis.get('hits')
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", debug=True)

flask-redis/docker-compose.yml

@@ -0,0 +1,14 @@
+version: '2'
+services:
+   redis: 
+     image: redislabs/redismod
+     ports:
+       - '6379:6379' 
+   web:
+        build: .
+        ports:
+            - "5000:5000"
+        volumes:
+            - .:/code
+        depends_on:
+            - redis

flask-redis/requirements.txt

@@ -0,0 +1,2 @@
+flask
+redis

nginx-flask-redis/docker-compose.yml

@@ -1,23 +0,0 @@
-version: '3.6'
-
-services:
-  redis:
-    image: redislabs/redis
-    ports:
-      - '6379:6379'
-
-  web:
-    build:
-      context: ./web/
-    ports:
-      - "5000:5000"
-    links:
-      - redis
-
-  nginx:
-    restart: always
-    build: ./nginx/
-    ports:
-      - "80:80"
-    links:
-      - web

nginx-flask-redis/nginx/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-RUN rm /etc/nginx/conf.d/default.conf
-ADD sites-enabled/app /etc/nginx/conf.d/default.conf

nginx-flask-redis/nginx/sites-enabled/app

@@ -1,14 +0,0 @@
-server {
-
-    listen 80;
-    server_name 0.0.0.0;
-    charset utf-8;
-
-    location / {
-        proxy_pass http://web:8000;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    }
-
-}

nginx-flask-redis/web/Dockerfile

@@ -1,7 +0,0 @@
-FROM python
-
-COPY . /
-
-RUN pip install -r requirements.txt && pip install gunicorn
-RUN /usr/local/bin/python -m pip install --upgrade pip
-ENTRYPOINT ["/start.sh"]

nginx-flask-redis/web/app/app.py

@@ -1,16 +0,0 @@
-
-import os
-import socket
-
-from flask import Flask
-from redis import Redis
-
-
-app = Flask(__name__)
-redis = Redis(host=os.environ.get('REDIS_HOST', 'redis'), port=6379)
-
-
-@app.route('/')
-def hello():
-    redis.incr('hits')
-    return 'Hi Docker! You have seen %s times and your system is %s.\n' % (redis.get('hits'),socket.gethostname())

nginx-flask-redis/web/app/config.py

@@ -1,16 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import multiprocessing
-import os
-
-from distutils.util import strtobool
-
-
-bind = os.getenv('WEB_BIND', '0.0.0.0:8000')
-accesslog = '-'
-access_log_format = "%(h)s %(l)s %(u)s %(t)s '%(r)s' %(s)s %(b)s '%(f)s' '%(a)s' in %(D)sµs"  # noqa: E501
-
-workers = int(os.getenv('WEB_CONCURRENCY', multiprocessing.cpu_count() * 2))
-threads = int(os.getenv('PYTHON_MAX_THREADS', 1))
-
-reload = bool(strtobool(os.getenv('WEB_RELOAD', 'false')))

nginx-flask-redis/web/requirements.txt

@@ -1,3 +0,0 @@
-Flask==2.0.3
-redis==4.1.4
-

nginx-flask-redis/web/start.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-gunicorn -c app/config.py app.app:app