Database

Updated to just use DATABASE_* in everything other than local docker.

.env.example

@@ -1,6 +1,10 @@
 # Database (MySQL 8.0 — migrated from PostgreSQL in Phase 7, see
 # docs/phase-7-summary.md; the production host only supports MySQL).
-DATABASE_URL="mysql://user:password@localhost:3306/nextchair"
+DATABASE_HOST="localhost"
+DATABASE_PORT="3306"
+DATABASE_NAME="nextchair"
+DATABASE_USER="user"
+DATABASE_PASSWORD="password"
 # Optional: cap the connection pool (see src/lib/db/prisma.ts). Lower this
 # for a hosting provider with a small max-connections limit.
 DATABASE_CONNECTION_LIMIT="5"