chore: migrate to postgres

src/env.mjs

@@ -7,11 +7,11 @@ export const env = createEnv({
    * isn't built with invalid env vars.
    */
   server: {
-    DATABASE_URL: z
+    POSTGRES_URL: z
       .string()
       .url()
       .refine(
-        (str) => !str.includes("YOUR_MYSQL_URL_HERE"),
+        (str) => !str.includes("YOUR_PG_URL_HERE"),
         "You forgot to change the default URL",
       ),
     NODE_ENV: z
@@ -44,7 +44,7 @@ export const env = createEnv({
    * middlewares) or client-side so we need to destruct manually.
    */
   runtimeEnv: {
-    DATABASE_URL: process.env.DATABASE_URL,
+    POSTGRES_URL: process.env.POSTGRES_URL,
     NODE_ENV: process.env.NODE_ENV,
     NEXTAUTH_SECRET: process.env.NEXTAUTH_SECRET,
     NEXTAUTH_URL: process.env.NEXTAUTH_URL,