diff --git a/src/config/index.js b/src/config/index.js
index 0acd33d9..e831e010 100644
--- a/src/config/index.js
+++ b/src/config/index.js
@@ -1,112 +1,116 @@
-const compression = require('compression')
+const compression = require("compression");
 const cors = require("cors");
-var bodyParser = require('body-parser');
+var bodyParser = require("body-parser");
 const rateLimit = require("express-rate-limit");
 const helmet = require("helmet");
 const dotenv = require("dotenv");
-const Sentry = require('@sentry/node');
-
+const Sentry = require("@sentry/node");
 
 module.exports = class Config {
-    constructor(app) {
-        this.app = app;
-    }
+  constructor(app) {
+    this.app = app;
+  }
+
+  setConfig() {
+    this.setSentry();
+    this.setTrustProxy();
+    this.setDotEnv();
+    this.setNodeEnv();
+    this.setBodyParser();
+    this.setCors();
+    this.setCompression();
+    this.setHttpHeaders();
+    this.setLimiter();
+    return this.app;
+  }
+
+  setDotEnv() {
+    dotenv.config();
+  }
 
-    setConfig() {
-        this.setSentry();
-        this.setDotEnv();
-        this.setNodeEnv();
-        this.setBodyParser();
-        this.setCors();
-        this.setCompression();
-        this.setHttpHeaders();
-        this.setLimiter();
-        return this.app;
-    }
+  setNodeEnv() {
+    process.env.NODE_ENV = process.env.NODE_ENV || "development";
+  }
 
-    setDotEnv() {
-        dotenv.config();
-    }
+  setTrustProxy() {
+    this.app.set("trust proxy", ["loopback", "linklocal", "uniquelocal"]);
+  }
 
-    setNodeEnv() {
-        process.env.NODE_ENV = process.env.NODE_ENV || 'development';
-    }
+  setBodyParser() {
+    // support application/json type post data
+    this.app.use(bodyParser.json({ limit: "50mb" }));
+    //support application/x-www-form-urlencoded post data
+    this.app.use(bodyParser.urlencoded({ limit: "50mb", extended: true }));
+    return this.app;
+  }
 
-    setBodyParser() {
-        // support application/json type post data
-        this.app.use(bodyParser.json({ limit: '50mb' }));
-        //support application/x-www-form-urlencoded post data
-        this.app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
-        return this.app;
-    }
+  setCors() {
+    const options = {
+      allowedHeaders: ["Origin", "X-Requested-With", "Content-Type", "Accept", "X-Access-Token", "Authorization"],
+      credentials: true,
+      methods: "GET,HEAD,OPTIONS,PUT,PATCH,POST,DELETE",
+      origin: "*",
+      preflightContinue: false,
+    };
+    this.app.use(cors(options));
+  }
 
-    setCors() {
-        const options = {
-            allowedHeaders: ["Origin", "X-Requested-With", "Content-Type", "Accept", "X-Access-Token", "Authorization"],
-            credentials: true,
-            methods: "GET,HEAD,OPTIONS,PUT,PATCH,POST,DELETE",
-            origin: "*",
-            preflightContinue: false
-        };
-        this.app.use(cors(options));
-    }
+  setCompression() {
+    this.app.use(compression());
+  }
 
-    setCompression() {
-        this.app.use(compression());
-    }
+  setHttpHeaders() {
+    this.app.use(
+      helmet({
+        contentSecurityPolicy: false,
+      }),
+    );
+  }
 
-    setHttpHeaders() {
-        this.app.use(
-            helmet({
-                contentSecurityPolicy: false,
-            })
-        )
-    }
+  setLimiter() {
+    const slowLimiter = rateLimit({
+      windowMs: 1 * 60 * 1000, //1min
+      max: process.env.MAX_QUERIES_PER_MIN || 15,
+    });
+    const medLimiter = rateLimit({
+      windowMs: 1 * 60 * 1000, //1min
+      max: process.env.MAX_QUERIES_PER_MIN || 30,
+    });
+    const fastLimiter = rateLimit({
+      windowMs: 1 * 60 * 1000, //1min
+      max: process.env.MAX_QUERIES_PER_MIN || 60,
+    });
+    this.app.use("/v1/query", slowLimiter);
+    this.app.use("/v1/team/:team_name/query", slowLimiter);
+    this.app.use("/v1/team/:team_name/query", slowLimiter);
+    this.app.use("/v1/meta_knowledge_graph", medLimiter);
+    this.app.use("/v1/team/:teamName/meta_knowledge_graph", medLimiter);
+    this.app.use("/v1/smartapi/:smartapiID/meta_knowledge_graph", medLimiter);
+  }
 
-    setLimiter() {
-        const slowLimiter = rateLimit({
-            windowMs: 1 * 60 * 1000, //1min
-            max: process.env.MAX_QUERIES_PER_MIN || 15
-        });
-        const medLimiter = rateLimit({
-            windowMs: 1 * 60 * 1000, //1min
-            max: process.env.MAX_QUERIES_PER_MIN || 30
-        });
-        const fastLimiter = rateLimit({
-            windowMs: 1 * 60 * 1000, //1min
-            max: process.env.MAX_QUERIES_PER_MIN || 60
-        });
-        this.app.use("/v1/query", slowLimiter);
-        this.app.use("/v1/team/:team_name/query", slowLimiter);
-        this.app.use("/v1/team/:team_name/query", slowLimiter);
-        this.app.use("/v1/meta_knowledge_graph", medLimiter);
-        this.app.use("/v1/team/:teamName/meta_knowledge_graph", medLimiter);
-        this.app.use("/v1/smartapi/:smartapiID/meta_knowledge_graph", medLimiter);
-    }
+  setSentry() {
+    // use SENTRY_DSN environment variable
+    Sentry.init({
+      // dsn: "https://5297933ef0f6487c9fd66532bb1fcefe@o4505444772806656.ingest.sentry.io/4505449737420800",
+      integrations: [
+        // enable HTTP calls tracing
+        new Sentry.Integrations.Http({ tracing: true }),
+        // enable Express.js middleware tracing
+        new Sentry.Integrations.Express({ app: this.app }),
+        // Automatically instrument Node.js libraries and frameworks
+        ...Sentry.autoDiscoverNodePerformanceMonitoringIntegrations(),
+      ],
 
-    setSentry() {
-        // use SENTRY_DSN environment variable
-        Sentry.init({
-            // dsn: "https://5297933ef0f6487c9fd66532bb1fcefe@o4505444772806656.ingest.sentry.io/4505449737420800",
-            integrations: [
-              // enable HTTP calls tracing
-              new Sentry.Integrations.Http({ tracing: true }),
-              // enable Express.js middleware tracing
-              new Sentry.Integrations.Express({ app: this.app }),
-              // Automatically instrument Node.js libraries and frameworks
-              ...Sentry.autoDiscoverNodePerformanceMonitoringIntegrations(),
-            ],
-          
-            // Set tracesSampleRate to 1.0 to capture 100%
-            // of transactions for performance monitoring.
-            // We recommend adjusting this value in production
-            tracesSampleRate: process.env.EXPRESS_SAMPLE_RATE ? parseFloat(process.env.EXPRESS_SAMPLE_RATE) : 1.0,
-        });
+      // Set tracesSampleRate to 1.0 to capture 100%
+      // of transactions for performance monitoring.
+      // We recommend adjusting this value in production
+      tracesSampleRate: process.env.EXPRESS_SAMPLE_RATE ? parseFloat(process.env.EXPRESS_SAMPLE_RATE) : 1.0,
+    });
 
-        // RequestHandler creates a separate execution context, so that all
-        // transactions/spans/breadcrumbs are isolated across requests
-        this.app.use(Sentry.Handlers.requestHandler({user: false}));
-        // TracingHandler creates a trace for every incoming request
-        this.app.use(Sentry.Handlers.tracingHandler());
-    }
-}
+    // RequestHandler creates a separate execution context, so that all
+    // transactions/spans/breadcrumbs are isolated across requests
+    this.app.use(Sentry.Handlers.requestHandler({ user: false }));
+    // TracingHandler creates a trace for every incoming request
+    this.app.use(Sentry.Handlers.tracingHandler());
+  }
+};