Add ALLOWED_HOSTS configuration to restrict trusted hosts in TrustedHostMiddleware. Enhance SSRF protection to block all private, loopback, link-local, multicast, reserved, and unspecified IP addresses using ipaddress module and DNS resolution checks. Add encrypt_value/decrypt_value aliases for encryption functions. Upgrade PostgreSQL from 16 to 18.4 in Docker Compose with updated data directory path (/var/lib/postgresql). Add security_opt no
nessi
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