Implement accounts API

accounts-service/app.py

@@ -0,0 +1,58 @@
+from flask import Flask, jsonify, request
+from flask_sqlalchemy import SQLAlchemy
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://postgres:password@db1:5432/accounts_db'
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+db = SQLAlchemy(app)
+
+# User model
+class User(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(50), unique=True, nullable=False)
+    email = db.Column(db.String(100), unique=True, nullable=False)
+    password = db.Column(db.String(100), unique=False, nullable=False)
+
+    def __init__(self, username, email, password):
+        self.username = username
+        self.email = email
+        self.password = password
+
+with app.app_context():
+    db.create_all()
+
+# Routes
+@app.route('/users', methods=['POST'])
+def create_user():
+    data = request.get_json()
+    username = data.get('username')
+    email = data.get('email')
+    password = data.get('password')
+
+    if not username or not email:
+        return jsonify(message='Username and email are required.'), 400
+
+    new_user = User(username=username, email=email, password=password)
+    db.session.add(new_user)
+    db.session.commit()
+
+    return jsonify(message='User created successfully.'), 201
+
+
+@app.route('/users/<username>', methods=['GET'])
+def get_user(username):
+    user = User.query.filter_by(username=username).first()
+
+    if user:
+        user_data = {
+            'id': user.id,
+            'username': user.username,
+            'email': user.email
+        }
+        return jsonify(user_data)
+    else:
+        return jsonify({'message': 'User not found'}), 404
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)