Add ability to enable / disable access log.

In high frequency environments it can be a little bit noisy.

README.md

@@ -37,6 +37,7 @@ I wanted to monitor the queries and responses of our graphql endpoint, but we di
 * `CACHE_TTL` - the cache TTL (default: `60s`)
 * `LOG_LEVEL` - the log level (default: `info`)
 * `BLOCK_SCHEMA_INTROSPECTION` - blocks the schema introspection (default: `false`)
+* `ENABLE_ACCESS_LOG` - enable the access log (default: `false`)
 
 ### Caching
 

main.go

@@ -28,6 +28,7 @@ func parseConfig() {
 	c.Logger = libpack_logging.NewLogger()
 	c.Client.GQLClient = graphql.NewConnection()
 	c.Client.GQLClient.SetEndpoint(c.Server.HostGraphQL)
+	c.Server.AccessLog = envutil.GetBool("ENABLE_ACCESS_LOG", false)
 	cfg = &c
 	enableCache() // takes close to no resources, but can be used with dynamic query cache
 }

server.go

@@ -77,7 +77,9 @@ func processGraphQLRequest(c *fiber.Ctx) error {
 	}
 	time_taken := time.Since(t)
 
-	cfg.Logger.Info("Request processed", map[string]interface{}{"ip": c.IP(), "user_id": extracted_user_id, "op_type": opType, "op_name": opName, "time": time_taken, "cache": was_cached})
+	if cfg.Server.AccessLog {
+		cfg.Logger.Info("Request processed", map[string]interface{}{"ip": c.IP(), "user_id": extracted_user_id, "op_type": opType, "op_name": opName, "time": time_taken, "cache": was_cached})
+	}
 	cfg.Monitoring.Increment(libpack_monitoring.MetricsSucceeded, nil)
 
 	labels := map[string]string{

struct_config.go

@@ -17,6 +17,7 @@ type config struct {
 		PortGraphQL    int
 		PortMonitoring int
 		HostGraphQL    string
+		AccessLog      bool
 	}
 
 	Client struct {