{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/sozu/json-schema/sozu-frontend-schema.json",
  "title": "Sozu Frontend Configuration",
  "description": "Configuration for a frontend routing rule in the Sōzu HTTP reverse proxy. A frontend binds an incoming request pattern (hostname + path prefix) to a backend cluster.",
  "type": "object",
  "properties": {
    "route_id": {
      "type": "string",
      "description": "Unique identifier for this frontend route.",
      "example": "frontend-myapp-443"
    },
    "address": {
      "type": "string",
      "description": "IP:port listener address for this frontend.",
      "example": "0.0.0.0:443"
    },
    "hostname": {
      "type": "string",
      "description": "HTTP Host header value to match for this frontend route.",
      "example": "myapp.example.com"
    },
    "path_prefix": {
      "type": "string",
      "description": "URL path prefix to match for this frontend route (empty string matches all paths).",
      "example": "/api"
    },
    "cluster_id": {
      "type": "string",
      "description": "Identifier of the backend cluster to forward matched requests to."
    },
    "https_redirect": {
      "type": "boolean",
      "description": "Whether to redirect HTTP requests on this frontend to HTTPS.",
      "default": false
    },
    "sticky_session": {
      "type": "boolean",
      "description": "Whether to enable sticky sessions for this frontend.",
      "default": false
    },
    "certificate": {
      "type": "object",
      "description": "TLS certificate configuration for HTTPS frontends.",
      "properties": {
        "certificate": {
          "type": "string",
          "description": "PEM-encoded certificate."
        },
        "certificate_chain": {
          "type": "string",
          "description": "PEM-encoded certificate chain."
        },
        "key": {
          "type": "string",
          "description": "PEM-encoded private key."
        }
      }
    }
  },
  "required": ["route_id", "address", "cluster_id"]
}