Move Prisma config to project root as .mjs for Prisma 7

- Move prisma.config.ts to prisma.config.mjs at project root
- Use dynamic dotenv import (works in Docker without dotenv)
- Add dotenv to devDependencies for local development
- Install dotenv globally in Docker for migration support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -61,13 +61,14 @@ RUN chown nextjs:nodejs .next
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
-# Copy Prisma (client and schema for migrations)
+# Copy Prisma (client, schema, and config for migrations)
 COPY --from=deps /app/node_modules/.prisma ./node_modules/.prisma
 COPY --from=deps /app/node_modules/@prisma ./node_modules/@prisma
 COPY prisma ./prisma/
+COPY prisma.config.mjs ./
 
-# Install Prisma CLI globally for migrations
-RUN npm install -g prisma@7
+# Install Prisma CLI and dotenv globally for migrations
+RUN npm install -g prisma@7 dotenv
 
 USER nextjs
 

package.json

@@ -63,6 +63,7 @@
     "zustand": "^5.0.3"
   },
   "devDependencies": {
+    "dotenv": "^16.5.0",
     "@eslint/eslintrc": "^3.3.3",
     "@testing-library/react": "^16.3.1",
     "@types/bcryptjs": "^2.4.6",

prisma.config.mjs

@@ -0,0 +1,23 @@
+// Load .env file for local development (silently skip if not available)
+try {
+  const dotenv = await import('dotenv')
+  dotenv.config()
+} catch {
+  // dotenv not available (e.g., in Docker) - env vars passed directly
+}
+
+const databaseUrl = process.env.DATABASE_URL
+
+if (!databaseUrl) {
+  throw new Error('DATABASE_URL environment variable is required')
+}
+
+export default {
+  schema: 'prisma/schema.prisma',
+  migrations: {
+    path: 'prisma/migrations',
+  },
+  datasource: {
+    url: databaseUrl,
+  },
+}

prisma/prisma.config.ts

@@ -1,12 +0,0 @@
-import 'dotenv/config'
-import { defineConfig, env } from 'prisma/config'
-
-export default defineConfig({
-  schema: 'prisma/schema.prisma',
-  migrations: {
-    path: 'prisma/migrations',
-  },
-  datasource: {
-    url: env('DATABASE_URL'),
-  },
-})