Disable github app by default

Author: myftija

apps/webapp/app/env.server.ts

@@ -3,18 +3,22 @@ import { BoolEnv } from "./utils/boolEnv";
 import { isValidDatabaseUrl } from "./utils/db";
 import { isValidRegex } from "./utils/regex";
 
-const GithubAppEnvSchema = z.union([
-  z.object({
-    GITHUB_APP_ENABLED: z.literal("1"),
-    GITHUB_APP_ID: z.string(),
-    GITHUB_APP_PRIVATE_KEY: z.string(),
-    GITHUB_APP_WEBHOOK_SECRET: z.string(),
-    GITHUB_APP_SLUG: z.string(),
-  }),
-  z.object({
-    GITHUB_APP_ENABLED: z.literal("0"),
-  }),
-]);
+const GithubAppEnvSchema = z
+  .discriminatedUnion("GITHUB_APP_ENABLED", [
+    z.object({
+      GITHUB_APP_ENABLED: z.literal("1"),
+      GITHUB_APP_ID: z.string(),
+      GITHUB_APP_PRIVATE_KEY: z.string(),
+      GITHUB_APP_WEBHOOK_SECRET: z.string(),
+      GITHUB_APP_SLUG: z.string(),
+    }),
+    z.object({
+      GITHUB_APP_ENABLED: z.literal("0"),
+    }),
+  ])
+  .default({
+    GITHUB_APP_ENABLED: "0",
+  });
 
 const EnvironmentSchema = z
   .object({