eslint, dockerfile

.dockerignore

@@ -0,0 +1 @@
+node_modules

.eslintrc.json

@@ -0,0 +1,39 @@
+{
+    "env": {
+        "node": true,
+        "browser": true,
+        "es6": true,
+        "mocha": true
+    },
+    "extends": "eslint:recommended",
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parserOptions": {
+        "ecmaVersion": 2018
+    },
+    "rules": {
+        "indent": [
+            "error",
+            2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "never"
+        ],
+        "object-curly-spacing": [
+          "error",
+          "always"
+        ],
+        "require-await": "error"
+    }
+}

Dockerfile

@@ -0,0 +1,10 @@
+FROM node:11
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm install
+
+COPY . .
+
+EXPOSE 8000
+CMD ["npm", "run", "start"]

package.json

@@ -4,6 +4,8 @@
   "description": "Relayer for Tornado mixer. https://tornado.cash",
   "main": "index.js",
   "scripts": {
+    "start": "node index.js",
+    "eslint": "npx eslint .",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "Alexey Pertsev <alexey@peppersec.com> (https://peppersec.com)",
@@ -13,5 +15,8 @@
     "node-fetch": "^2.6.0",
     "web3": "^1.0.0-beta.55",
     "web3-utils": "^1.0.0"
+  },
+  "devDependencies": {
+    "eslint": "^6.0.1"
   }
 }