feat: Add optional config of database connection pooling

server/database/sequelize.ts

@@ -4,6 +4,8 @@ import * as models from "../models";
 
 const isProduction = process.env.NODE_ENV === "production";
 const isSSLDisabled = process.env.PGSSLMODE === "disable";
+const poolMax = parseInt(process.env.DATABASE_CONNECTION_POOL_MAX || "5", 10);
+const poolMin = parseInt(process.env.DATABASE_CONNECTION_POOL_MIN || "0", 10);
 
 export const sequelize = new Sequelize(
   process.env.DATABASE_URL || process.env.DATABASE_CONNECTION_POOL_URL || "",
@@ -20,5 +22,11 @@ export const sequelize = new Sequelize(
           : false,
     },
     models: Object.values(models),
+    pool: {
+      max: poolMax,
+      min: poolMin,
+      acquire: 30000,
+      idle: 10000,
+    },
   }
 );