fix Incorrect DATABASE_URL without +psycopg on deployment/mcpgateway/docker-compose.yml

[FrancescoBaroneItaly]

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Bug description

Need to add into DATABASE_URL the psycopg statement to force to use psycopg3

line44

• DATABASE_URL=postgresql://postgres:${POSTGRES_PASSWORD:-mysecretpassword}@postgres:5432/mcp

• DATABASE_URL=postgresql+psycopg://postgres:${POSTGRES_PASSWORD:-mysecretpassword}@postgres:5432/mcp

thank you

Steps to reproduce

follow podman deployment to reproduce ( see podman mcpgateway logs)

Expected behavior

database connection using psycopg3

Actual behavior

mcpgateway podman fails

SQL Tool Information

No response

Environment information

- **OS**: [e.g., macOS 14.2, Windows 11, Ubuntu 22.04]
- **MCP Server Version**: [e.g., 0.1.2]
- **IBM i OS Version**: [e.g., 7.5]
- **MCP Client**: [e.g., Claude Desktop 0.7.1, Continue, Zed]
- **Node.js Version**: [e.g., v20.10.0]
- **Connection Method**: [e.g., Environment variables, YAML sources, HTTP authentication]

Server configuration

No response

Log output

Screenshots or videos

No response

Additional context

No response