fix(framework/config): Properly resolve env variables (#8411)

packages/framework/framework/src/config/__tests__/index.spec.ts

@@ -26,5 +26,16 @@ describe("configLoader", () => {
 
     expect(configModule).toBeDefined()
     expect(configModule.projectConfig.databaseName).toBe("foo")
+    expect(configModule.projectConfig.workerMode).toBe("shared")
+
+    process.env.MEDUSA_WORKER_MODE = "worker"
+
+    configLoader(entryDirectory, "medusa-config-2.js")
+
+    configModule = container.resolve(ContainerRegistrationKeys.CONFIG_MODULE)
+
+    expect(configModule).toBeDefined()
+    expect(configModule.projectConfig.databaseName).toBe("foo")
+    expect(configModule.projectConfig.workerMode).toBe("worker")
   })
 })

packages/framework/framework/src/config/config.ts

@@ -13,16 +13,18 @@ export class ConfigManager {
    * A flag to specify if we are in production or not, determine whether an error would be critical and thrown or just logged as a warning in developement
    * @private
    */
-  readonly #isProduction: boolean = ["production", "prod"].includes(
-    process.env.NODE_ENV || ""
-  )
+  get #isProduction(): boolean {
+    return ["production", "prod"].includes(process.env.NODE_ENV || "")
+  }
 
   /**
    * The worker mode
    * @private
    */
-  readonly #envWorkMode?: ConfigModule["projectConfig"]["workerMode"] = process
-    .env.MEDUSA_WORKER_MODE as ConfigModule["projectConfig"]["workerMode"]
+  get #envWorkMode(): ConfigModule["projectConfig"]["workerMode"] {
+    return process.env
+      .MEDUSA_WORKER_MODE as ConfigModule["projectConfig"]["workerMode"]
+  }
 
   /**
    * The config object after loading it