diff --git a/Dockerfile b/Dockerfile
index 59576c7..1982521 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,7 @@ FROM node:11
 WORKDIR /app
 
 COPY package.json package-lock.json ./
-RUN npm install
-
+RUN npm install && npm cache clean --force
 COPY . .
 
 EXPOSE 8000
diff --git a/README.md b/README.md
index dd804ef..44f2043 100644
--- a/README.md
+++ b/README.md
@@ -12,29 +12,24 @@ Relayer should return a transaction hash.
 ## Proof example
 ```json
 {
-   "pi_a":[
+  "contract": "0xf15f151CEf196E4a2dC28De496811e435552E93e",
+  "proof": {
+    "proof":[
       "0x0ed9b1afc791a551f5baa2f84786963b1463ca3f7c68eb0de3b267e6cb491f05",
-      "0x1335f2af3c71e442fd82f63f8f1c605ca2612b8d0fa22b4cbd1239cca839aa3d"
-   ],
-   "pi_b":[
-      [
-         "0x000189f7f1067a768d116cd86980eae6963dd9bc6c1f8204ceacf90a94f60d81",
-         "0x1abb4b71da0efa67cbc76a97ac360826b17a88f07bd89151258bf076474a4804"
-      ],
-      [
-         "0x0526b509ba2cda2b21b09401d70d23ea0225be4fdaa9097af842ff6783d1e0f4",
-         "0x15b11f9f5441adeea61534105902170a409b228e159fe7428abf6e863fc05273"
-      ]
-   ],
-   "pi_c":[
+      "0x1335f2af3c71e442fd82f63f8f1c605ca2612b8d0fa22b4cbd1239cca839aa3d",
+      "0x1abb4b71da0efa67cbc76a97ac360826b17a88f07bd89151258bf076474a4804",
+      "0x000189f7f1067a768d116cd86980eae6963dd9bc6c1f8204ceacf90a94f60d81",
+      "0x15b11f9f5441adeea61534105902170a409b228e159fe7428abf6e863fc05273",
+      "0x0526b509ba2cda2b21b09401d70d23ea0225be4fdaa9097af842ff6783d1e0f4",
       "0x2cd9a2305827f7da64aa1a3136c11ae1d3d7b3cb69832d8c04ab39d8b9393cda",
       "0x2090cd3f9d09d66ca4e1e9bed2c72d5fa174b47599cb47e572324b1a98a3cb7a"
-   ],
-   "publicSignals":[
+    ],
+    "publicSignals":[
       "0x1e8a85160889dfb5c03a8e2a6cca18b4c476c0b486003e9ed666a33e04114658",
       "0x00bfb0befe19eac571ecaf7858e50d70273fbe2952cc8431f59399bb28665796",
       "0x00000000000000000000000003ebd0748aa4d1457cf479cce56309641e0a98f5",
       "0x0000000000000000000000000000000000000000000000000000000000000000"
-   ]
+    ]
+  },
 }
 ```
diff --git a/docker-compose.yml b/docker-compose.yml
index 0159a4d..42325f4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,13 +10,6 @@ services:
       LETSENCRYPT_HOST: kovan.tornado.cash
     env_file: ./.env
 
-  monitor:
-    image: arefaslani/docker-telegram-notifier
-    restart: always
-    volumes:
-     - /var/run/docker.sock:/var/run/docker.sock
-    env_file: ./.env
-
 networks:
   default:
     external:
diff --git a/frontend/docker-compose.yml b/frontend/docker-compose.yml
deleted file mode 100644
index c2bd757..0000000
--- a/frontend/docker-compose.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-version: '2'
-
-services:
-
-  nginx:
-    image: jwilder/nginx-proxy
-    restart: always
-    ports:
-      - 80:80
-      - 443:443
-    volumes:
-      - /var/run/docker.sock:/tmp/docker.sock:ro
-      - /etc/nginx/certs
-      - /etc/nginx/vhost.d
-      - /usr/share/nginx/html
-
-  letsencrypt:
-    image: jrcs/letsencrypt-nginx-proxy-companion
-    restart: always
-    volumes_from:
-      - nginx
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock:ro
\ No newline at end of file
diff --git a/index.js b/index.js
index e128374..38aa3bd 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,6 @@
 const { numberToHex, toWei, toHex, toBN, toChecksumAddress } = require('web3-utils')
+const { netId, rpcUrl, privateKey, mixers, defaultGasPrice } = require('./config')
+const { fetchGasPrice, isValidProof, fetchDAIprice, isKnownContract } = require('./utils')
 const Web3 = require('web3')
 const express = require('express')
 
@@ -20,9 +22,6 @@ app.use(function(req, res, next) {
   next()
 })
 
-const { netId, rpcUrl, privateKey, mixers, defaultGasPrice } = require('./config')
-const { fetchGasPrice, isValidProof, fetchDAIprice, isKnownContract } = require('./utils')
-
 const web3 = new Web3(rpcUrl, null, { transactionConfirmationBlocks: 1 })
 const account = web3.eth.accounts.privateKeyToAccount('0x' + privateKey)
 web3.eth.accounts.wallet.add('0x' + privateKey)