fix: restore mocks/ in Docker context, fix legacy ENV format

mocks/ needed at build time (imported by source files)

.dockerignore

@@ -12,16 +12,7 @@ README.md
 /test-results/
 /playwright-report/
 /blob-report/
-/mocks/
-**/*.spec.ts
-**/*.spec.tsx
-**/*.pw.tsx
-**/*.test.ts
-**/*.test.tsx
-/.github/
 /.vscode/
-/.husky/
 /playwright/
 CHANGELOG.md
-LICENSE
 .env.local

Dockerfile

@@ -151,6 +151,6 @@ USER nextjs
 
 EXPOSE 3000
 
-ENV PORT 3000
+ENV PORT=3000
 
 CMD ["node", "server.js"]