Add API_ORIGIN env var to be able to split dashboard & API servers

Author: ericallam

apps/webapp/app/env.server.ts

@@ -31,6 +31,7 @@ const EnvironmentSchema = z.object({
   REMIX_APP_PORT: z.string().optional(),
   LOGIN_ORIGIN: z.string().default("http://localhost:3030"),
   APP_ORIGIN: z.string().default("http://localhost:3030"),
+  API_ORIGIN: z.string().optional(),
   ELECTRIC_ORIGIN: z.string().default("http://localhost:3060"),
   APP_ENV: z.string().default(process.env.NODE_ENV),
   SERVICE_NAME: z.string().default("trigger.dev webapp"),

apps/webapp/app/v3/environmentVariables/environmentVariablesRepository.server.ts

@@ -732,7 +732,7 @@ async function resolveBuiltInProdVariables(runtimeEnvironment: RuntimeEnvironmen
     },
     {
       key: "TRIGGER_API_URL",
-      value: env.APP_ORIGIN,
+      value: env.API_ORIGIN ?? env.APP_ORIGIN,
     },
     {
       key: "TRIGGER_RUNTIME_WAIT_THRESHOLD_IN_MS",