Setup app

apps/web/src/env.js

@@ -0,0 +1,62 @@
+import { createEnv } from "@t3-oss/env-nextjs";
+import { z } from "zod";
+
+export const env = createEnv({
+  /**
+   * Specify your server-side environment variables schema here. This way you can ensure the app
+   * isn't built with invalid env vars.
+   */
+  server: {
+    DATABASE_URL: z
+      .string()
+      .url()
+      .refine(
+        (str) => !str.includes("YOUR_MYSQL_URL_HERE"),
+        "You forgot to change the default URL"
+      ),
+    NODE_ENV: z
+      .enum(["development", "test", "production"])
+      .default("development"),
+    NEXTAUTH_SECRET:
+      process.env.NODE_ENV === "production"
+        ? z.string()
+        : z.string().optional(),
+    NEXTAUTH_URL: z.preprocess(
+      // This makes Vercel deployments not fail if you don't set NEXTAUTH_URL
+      // Since NextAuth.js automatically uses the VERCEL_URL if present.
+      (str) => process.env.VERCEL_URL ?? str,
+      // VERCEL_URL doesn't include `https` so it cant be validated as a URL
+      process.env.VERCEL ? z.string() : z.string().url()
+    ),
+  },
+
+  /**
+   * Specify your client-side environment variables schema here. This way you can ensure the app
+   * isn't built with invalid env vars. To expose them to the client, prefix them with
+   * `NEXT_PUBLIC_`.
+   */
+  client: {
+    // NEXT_PUBLIC_CLIENTVAR: z.string(),
+  },
+
+  /**
+   * You can't destruct `process.env` as a regular object in the Next.js edge runtimes (e.g.
+   * middlewares) or client-side so we need to destruct manually.
+   */
+  runtimeEnv: {
+    DATABASE_URL: process.env.DATABASE_URL,
+    NODE_ENV: process.env.NODE_ENV,
+    NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET,
+    NEXTAUTH_URL: process.env.NEXTAUTH_URL,
+  },
+  /**
+   * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially
+   * useful for Docker builds.
+   */
+  skipValidation: !!process.env.SKIP_ENV_VALIDATION,
+  /**
+   * Makes it so that empty strings are treated as undefined. `SOME_VAR: z.string()` and
+   * `SOME_VAR=''` will throw an error.
+   */
+  emptyStringAsUndefined: true,
+});