callout-custom-cache-key

gistfile1.txt

{
	"name": "request-callout",
	"config": {
		"callouts": [
			{
				"name": "callout1",
				"request": {
					"url": "http://httpbin.org/anything",
					"by_lua": "kong.ctx.shared.callouts.callout1.caching.cache_key = kong.request.get_header('cache-key')"
				},
				"response": {
					"body": {
						"decode": true
					},
					"by_lua": "kong.ctx.shared.callouts.callout1.caching.cache_key = kong.request.get_header('cache-key')"
				}
			}
		],
		"upstream": {
			"headers": {
				"forward": false,
				"custom": {
					"host": "$(kong.request.get_header('host'))",
					"status": "$(callouts.callout1.response.status)"
				}
			}
		},
		"cache": {
			"cache_ttl": 1000,
			"strategy": "memory"
		}
	}
}