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# database.py
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from dotenv import load_dotenv
# Load environment variables from .env file
load_dotenv()
# Retrieve database connection details from environment variables
MYSQL_HOST = os.getenv("MYSQL_HOST", "db") # Default to 'db' if not set
MYSQL_PORT = os.getenv("MYSQL_PORT", "3306")
MYSQL_DATABASE = os.getenv("MYSQL_DATABASE", "bbapi")
MYSQL_USER = os.getenv("MYSQL_USER", "bbapi")
MYSQL_PASSWORD = os.getenv("MYSQL_PASSWORD", "QQQR5dKS8NYGnYcC")
# Construct the database URL
DATABASE_URL = f"mysql+pymysql://{MYSQL_USER}:{MYSQL_PASSWORD}@{MYSQL_HOST}:{MYSQL_PORT}/{MYSQL_DATABASE}"
# Create SQLAlchemy engine
engine = create_engine(
DATABASE_URL,
pool_pre_ping=True,
pool_recycle=3600
)
# Create a configured "Session" class
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
# Base class for your ORM models
Base = declarative_base()
# Dependency to get a database session
from fastapi import Depends
from sqlalchemy.orm import Session
def get_db():
"""
Dependency that provides a SQLAlchemy session.
Ensures the session is closed after the request is completed.
"""
db = SessionLocal()
try:
yield db
finally:
db.close()
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