From 75033a4ed7bb008618116c2dd8d844e03d10fa79 Mon Sep 17 00:00:00 2001
From: Muayyad alsadi <alsadi@gmail.com>
Date: Tue, 10 May 2022 02:28:17 +0300
Subject: [PATCH] add python demo example

---
 examples/hello-python/App/__init__.py     |  0
 examples/hello-python/App/web.py          | 33 +++++++++++++++++++++++
 examples/hello-python/Dockerfile          | 12 +++++++++
 examples/hello-python/README.md           |  8 ++++++
 examples/hello-python/docker-compose.yaml | 21 +++++++++++++++
 examples/hello-python/requirements.txt    |  3 +++
 6 files changed, 77 insertions(+)
 create mode 100644 examples/hello-python/App/__init__.py
 create mode 100644 examples/hello-python/App/web.py
 create mode 100644 examples/hello-python/Dockerfile
 create mode 100644 examples/hello-python/README.md
 create mode 100644 examples/hello-python/docker-compose.yaml
 create mode 100644 examples/hello-python/requirements.txt

diff --git a/examples/hello-python/App/__init__.py b/examples/hello-python/App/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/examples/hello-python/App/web.py b/examples/hello-python/App/web.py
new file mode 100644
index 0000000..5b56d9f
--- /dev/null
+++ b/examples/hello-python/App/web.py
@@ -0,0 +1,33 @@
+import os
+import asyncio
+
+import aioredis
+from aiohttp import web
+
+REDIS_HOST = os.environ.get('REDIS_HOST', 'localhost')
+REDIS_PORT = int(os.environ.get('REDIS_PORT', '6379'))
+REDIS_DB = int(os.environ.get('REDIS_DB', '0'))
+
+redis = aioredis.from_url(f"redis://{REDIS_HOST}:{REDIS_PORT}/{REDIS_DB}")
+app = web.Application()
+routes = web.RouteTableDef()
+
+@routes.get('/')
+async def hello(request):
+    counter = await redis.incr("mycounter")
+    return web.Response(text=f"counter={counter}")
+
+@routes.get('/hello.json')
+async def hello_json(request):
+    counter = await redis.incr("mycounter")
+    data = {'counter': counter}
+    return web.json_response(data)
+
+app.add_routes(routes)
+
+def main():
+    web.run_app(app)
+
+if __name__=='__main__':
+    main()
+
diff --git a/examples/hello-python/Dockerfile b/examples/hello-python/Dockerfile
new file mode 100644
index 0000000..b879d8f
--- /dev/null
+++ b/examples/hello-python/Dockerfile
@@ -0,0 +1,12 @@
+FROM python:3.9-alpine
+
+WORKDIR /usr/src/app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD [ "python", "-m", "App.web" ]
+EXPOSE 8080
+
diff --git a/examples/hello-python/README.md b/examples/hello-python/README.md
new file mode 100644
index 0000000..c2e3b88
--- /dev/null
+++ b/examples/hello-python/README.md
@@ -0,0 +1,8 @@
+# Simple Python Demo
+## A Redis counter
+
+```
+podman-compose up -d
+curl localhost:8080/
+curl localhost:8080/hello.json
+```
diff --git a/examples/hello-python/docker-compose.yaml b/examples/hello-python/docker-compose.yaml
new file mode 100644
index 0000000..a4ace8b
--- /dev/null
+++ b/examples/hello-python/docker-compose.yaml
@@ -0,0 +1,21 @@
+---
+version: '3'
+volumes:
+  redis:
+services:
+  redis:
+    read_only: true
+    image: docker.io/redis:alpine
+    command: ["redis-server", "--appendonly", "yes", "--notify-keyspace-events", "Ex"]
+    volumes:
+    - redis:/data
+  web:
+    read_only: true
+    build:
+      context: .
+    image: hello-py-aioweb
+    ports:
+    - 8080:8080
+    environment:
+      REDIS_HOST: redis
+
diff --git a/examples/hello-python/requirements.txt b/examples/hello-python/requirements.txt
new file mode 100644
index 0000000..c82e36e
--- /dev/null
+++ b/examples/hello-python/requirements.txt
@@ -0,0 +1,3 @@
+aiohttp
+aioredis
+# aioredis[hiredis]