init with db

database/Dockerfile

@@ -0,0 +1,2 @@
+FROM postgres:latest
+COPY init.sql /docker-entrypoint-initdb.d/init.sql

database/init.sql

@@ -0,0 +1,3 @@
+
+CREATE USER this_user WITH PASSWORD 'password';
+GRANT ALL PRIVILEGES ON DATABASE "postgres" to this_user;

docker-compose.yml

@@ -1,12 +1,26 @@
 version: '2'
 
 services:
+
+  postgres:
+    restart: always
+    image: postgres:latest
+    build: database
+    volumes:
+         - /var/lib/postgresql
+    ports:
+      - 54322:5432
+
   product-service:
-    build: ./python
+    restart: always
+    build: python
     volumes:
       - ./python:/usr/src/app
     ports:
       - 5555:80
+    depends_on:
+      - postgres
+
   website:
     image: php:apache
     volumes: 

python/Dockerfile

@@ -1,3 +1,5 @@
 FROM python:3-onbuild
-COPY . /usr/src/app 
-CMD ["python", "api.py"]
+COPY . /usr/src/app
+ENTRYPOINT ["bash", "docker-entrypoint.sh", "python", "api.py"]
+CMD  ["--no-daemonize"]
+

python/api.py

@@ -1,19 +1,37 @@
 from flask import Flask
 from flask_restful import Resource, Api
+from flask_sqlalchemy import SQLAlchemy
+import json
 
-
+################
+#### config ####
+################
 app = Flask(__name__)
 api = Api(app)
+app.config.from_pyfile('flask.cfg')
+db = SQLAlchemy(app)
+
+import views
+
+
 
 class Product(Resource):
     def get(self):
       return {
-          'products': ['geomapfish', 'georchestra', 'geonetwork']
+          'products': ['geomapfish', 'georchestra', 'geonetwork' ]
       }
 
-
+# routes
 api.add_resource(Product, '/')
 
+@app.route('/db')
+def index():
+    names = []
+    for result in views.articles():
+        names.append(result.article_name)
+    return json.dumps(names) # '[
+
+
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=80, debug=True)

python/db_create.py

@@ -0,0 +1,16 @@
+from api import db
+from models import Article
+
+
+# create the database and the database table
+db.create_all()
+
+# insert recipe data
+ar1 = Article('Geomapfish', 'magnifique')
+ar2 = Article('OpenLayers', 'aussi')
+db.session.add(ar1)
+db.session.add(ar2)
+
+
+# commit the changes
+db.session.commit()

python/docker-entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+python db_create.py
+
+exec "$@"

python/flask.cfg

@@ -0,0 +1,3 @@
+# SQLAlchemy
+SQLALCHEMY_DATABASE_URI = 'postgresql://this_user:password@postgres/postgres'
+SQLALCHEMY_TRACK_MODIFICATIONS = True

python/models.py

@@ -0,0 +1,16 @@
+from api import db
+
+class Article(db.Model):
+
+    __tablename__ = "articles"
+
+    article_id = db.Column(db.Integer, primary_key=True)
+    article_name = db.Column(db.String(200), unique=False, nullable=True)
+    article_desc = db.Column(db.String(200), unique=False, nullable=True)
+
+    def __init__(self, title, description):
+        self.article_name = title
+        self.article_desc = description
+
+    def __repr__(self):
+        return '<title {}'.format(self.article_name)

python/requirements.txt

@@ -1,2 +1,5 @@
 Flask==0.12
 flask-restful==0.3.5
+flask_sqlalchemy==2.3.2
+psycopg2
+ipdb

python/views.py

@@ -0,0 +1,4 @@
+from models import Article
+
+def articles():
+    return Article.query.all()

website/index.php

@@ -19,5 +19,15 @@
 
             ?>
         </ul>
+        <ul>
+        <h1> Using the database </h1>
+         <?php
+             $jsons = file_get_contents('http://product-service/db');
+             $results = json_decode($jsons);
+             foreach ($results as $result) {
+                 echo "<li>$result</li>";
+            }
+            ?>
+        </ul>
     </body>
 </html>