Create SQL docker and flask docker containers

.env

-FLASK_ENV=development
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+DEVELOPMENT_MODE=True
+DATABASE_HOST=localhost
+DATABASE_USER=ethan2clay
+DATABASE_PASSWORD=Ethan2claY10+$++
+DATABASE_NAME=ethan2clay_prj
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Dockerfile

+FROM python:3.10-alpine AS builder
+
+COPY . /flask
+WORKDIR ./flask
+
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+ENV FLASK_APP=app:create_app
+CMD ["flask", "run", "--host=0.0.0.0", "--port=5000"]
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app/__init__.py

@@ -4,6 +4,8 @@ from flask import Flask
 from config import Config
 from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
+from dotenv import load_dotenv
+import os
 
 db = SQLAlchemy()
 migrate = Migrate()
@@ -12,15 +14,19 @@ def create_app(config_class=Config):
     app = Flask(__name__)
     app.config.from_object(config_class)
     
-    #ONLY TURN ON FOR DEBUGGING
+    #Only enabled when DEVELOPMENT_MODE in .env is set to true
+    development_mode = os.getenv("DEVELOPMENT_MODE")
+
+    if (development_mode.lower() == 'true'): 
         app.config['DEBUG'] = True
 
-    # Database connection , TO DO: Encrypt and move into .env fix where connection only works when remoted into database
-    db_user = 'ethan2clay'
-    db_password = 'Ethan2claY10+$++'
-    db_name = 'ethan2clay_prj'
+    load_dotenv()
+    db_host = os.getenv("DATABASE_HOST")
+    db_user = os.getenv("DATABASE_USER")
+    db_password = os.getenv("DATABASE_PASSWORD")
+    db_name = os.getenv("DATABASE_NAME")
     
-    app.config['SQLALCHEMY_DATABASE_URI'] = f"mysql+pymysql://{db_user}:{db_password}@localhost/{db_name}".format(db_user=db_user, db_password=db_password, db_name=db_name)
+    app.config['SQLALCHEMY_DATABASE_URI'] = f"mysql+pymysql://{db_user}:{db_password}@{db_host}/{db_name}".format(db_user=db_user, db_password=db_password, db_name=db_name)
     db.init_app(app)
     
     #Run Flask migrations if any available

compose.yaml

+services:
+  flask:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    stop_signal: SIGINT
+    ports:
+      - '5000:5000'
+    volumes:
+      - ./app:/app 
+    environment:
+      - FLASK_APP=app:create_app 
+      - DATABASE_HOST=database
+      - DATABASE_USER=user
+      - DATABASE_PASSWORD=userpassword
+      - DATABASE_NAME=mydatabase
+    depends_on:
+      - database
+
+  database:
+    image: mysql:8.3
+    ports:
+      - '3306:3306'
+    environment:
+      MYSQL_ROOT_PASSWORD: rootpassword
+      MYSQL_DATABASE: mydatabase
+      MYSQL_USER: user
+      MYSQL_PASSWORD: userpassword
+    volumes:
+      - mysql_data:/var/lib/mysql
+
+volumes:
+  mysql_data:
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requirements.txt

+Flask>=3.0.0
+flask_sqlalchemy
+flask_migrate
+pymysql
+python-dotenv
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