feat: merge service (#14384)

packages/backend/server/src/env.ts

@@ -22,6 +22,7 @@ export enum Flavor {
   Graphql = 'graphql',
   Sync = 'sync',
   Renderer = 'renderer',
+  Front = 'front',
   Doc = 'doc',
   Script = 'script',
 }
@@ -108,6 +109,7 @@ export class Env implements AppEnv {
       graphql: this.isFlavor(Flavor.Graphql),
       sync: this.isFlavor(Flavor.Sync),
       renderer: this.isFlavor(Flavor.Renderer),
+      front: this.FLAVOR === Flavor.Front,
       doc: this.isFlavor(Flavor.Doc),
       // Script in a special flavor, return true only when it is set explicitly
       script: this.FLAVOR === Flavor.Script,