feat: setup postgres with docker compose (#85)

* feat: add postgres to docker compose

* feat: run migrations via entrypoint

* chore: tidy .env.example

* fix: allow empty strings for optional envs

* fix: remove external from kan-network

* chore: update readme

apps/web/Dockerfile

@@ -75,6 +75,5 @@ ARG PORT=3000
 ENV PORT=${PORT}
 EXPOSE ${PORT}
 
-# Run migration on start for now (until we have a better way to handle this)
-CMD ["sh", "-c", "cd /app && pnpm db:migrate && cd /app/apps/web && pnpm start"]
+CMD ["./entrypoint.sh"]
 

apps/web/entrypoint.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Run migrations from the Turborepo root context
+echo "Running database migrations..."
+# Navigate to the Turborepo root to run the db:migrate command
+pnpm --prefix /app db:migrate
+
+# Check if migration was successful
+if [ $? -ne 0 ]; then
+  echo "\nDatabase migration failed! Exiting."
+  exit 1
+fi
+
+echo "\nStarting Next.js application..."
+# Start the Next.js application from the web app's directory
+exec node .next/standalone/apps/web/server.js

apps/web/next.config.js

@@ -10,6 +10,7 @@ configureRuntimeEnv();
 
 /** @type {import("next").NextConfig} */
 const config = {
+  output: "standalone",
   reactStrictMode: true,
 
   /** Enables hot reloading for local packages without a build step */

apps/web/src/env.ts

@@ -17,8 +17,11 @@ export const env = createEnv({
     BETTER_AUTH_SECRET: z.string(),
     BETTER_AUTH_TRUSTED_ORIGINS: z
       .string()
-      .refine((s) =>
-        s.split(",").every((l) => z.string().url().safeParse(l).success),
+      .transform((s) => (s === "" ? undefined : s))
+      .refine(
+        (s) =>
+          !s ||
+          s.split(",").every((l) => z.string().url().safeParse(l).success),
       )
       .optional(),
     POSTGRES_URL: z.string().url(),
@@ -82,11 +85,17 @@ export const env = createEnv({
     NEXT_PUBLIC_STORAGE_DOMAIN: z.string().optional(),
     NEXT_PUBLIC_ALLOW_CREDENTIALS: z
       .string()
-      .refine((s) => s.toLowerCase() === "true" || s.toLowerCase() === "false")
+      .transform((s) => (s === "" ? undefined : s))
+      .refine(
+        (s) => !s || s.toLowerCase() === "true" || s.toLowerCase() === "false",
+      )
       .optional(),
     NEXT_PUBLIC_DISABLE_SIGN_UP: z
       .string()
-      .refine((s) => s.toLowerCase() === "true" || s.toLowerCase() === "false")
+      .transform((s) => (s === "" ? undefined : s))
+      .refine(
+        (s) => !s || s.toLowerCase() === "true" || s.toLowerCase() === "false",
+      )
       .optional(),
   },
   /**