[rewrite] Major changes to code - switched to postgres, added initial backend docker files

.env-example

@@ -0,0 +1,51 @@
+# Port for the app to run on
+# PORT=31714
+
+# Secret key used for cryptographic operations. Must be a long, random string.
+SECRET_KEY=
+
+# Token expiration time in minutes. Default is 8 days (60 min * 24 hours * 8 days).
+# ACCESS_TOKEN_EXPIRE_MINUTES=11520
+
+# The environment in which the application is running.
+# Options: local, staging, production
+ENVIRONMENT=local
+
+# The frontend host that interacts with the backend.
+FRONTEND_HOST=
+
+# CORS origins allowed to access the backend.
+# Multiple values should be comma-separated, e.g., "http://localhost,http://example.com"
+BACKEND_CORS_ORIGINS=
+
+# MySQL database configuration
+POSTGRES_SERVER=
+POSTGRES_PORT=3306
+POSTGRES_USER=
+POSTGRES_PASSWORD=
+POSTGRES_DB=
+
+# SMTP configuration for sending emails
+SMTP_HOST=
+SMTP_PORT=587
+SMTP_USER=
+SMTP_PASSWORD=
+SMTP_TLS=True  # Use TLS for email security
+SMTP_SSL=False  # Set to True if using SSL instead of TLS
+
+# Email sender information
+EMAILS_FROM_EMAIL=
+EMAILS_FROM_NAME=
+
+# Expiration time for password reset tokens (in hours)
+# EMAIL_RESET_TOKEN_EXPIRE_HOURS=48
+
+# A test user email used for automated email testing
+EMAIL_TEST_USER=test@example.com
+
+# Superuser credentials for the first administrator
+FIRST_SUPERUSER=
+FIRST_SUPERUSER_PASSWORD=
+
+DOCKER_IMAGE_BACKEND=backend
+DOCKER_IMAGE_FRONTEND=frontend