Add dockerfile and set up config vars to use config.json OR process.env

Dockerfile

@@ -0,0 +1,10 @@
+FROM node:14
+WORKDIR /usr/src/app
+RUN apt-get update
+RUN apt-get -y install nodejs
+RUN npm install -g npm
+EXPOSE 6379
+COPY package*.json ./
+RUN npm install
+COPY . .
+CMD [ "node", "index.js" ]

blockchain.js

@@ -4,11 +4,7 @@ const dns = require('dns');
 const https = require('https');
 const fetch = require('node-fetch');
 const Web3 = require('web3');
-const {polygonVigilKey, ethereumHost} = require('./constants.js');
-
-let config = require('fs').existsSync('./config.json') ? require('./config.json') : null;
-
-const infuraProjectId = process.env.infuraProjectId || config.infuraProjectId;
+const {polygonVigilKey, ethereumHost, infuraProjectId} = require('./environment.js');
 
 let addresses,
   abis,

constants.js

@@ -55,11 +55,8 @@ const redisPrefixes = (() => {
   return result;
 })();
 const nftIndexName = 'nftIdx';
-const polygonVigilKey = `1bdde9289621d9d420488a9804254f4a958e128b`;
-const ethereumHost = 'ethereum.exokit.org';
-const storageHost = 'https://ipfs.exokit.org';
-const appPreviewHost = `https://app.webaverse.com/preview.html`;
 const mainnetSignatureMessage = `Connecting mainnet address.`;
+
 module.exports = {
   accountKeys,
   nftKeys,
@@ -68,9 +65,5 @@ module.exports = {
   tableNames,
   redisPrefixes,
   nftIndexName,
-  polygonVigilKey,
-  ethereumHost,
-  storageHost,
-  appPreviewHost,
   mainnetSignatureMessage,
 };

environment.js

@@ -0,0 +1,23 @@
+require('dotenv').config();
+
+const fs = require('fs');
+
+const config = fs.existsSync(__dirname + '/config.json') ? require('./config.json') : null;
+
+const redisKey = (config && config.redisKey) ?? process.env.REDIS_KEY ?? "default";
+const polygonVigilKey = (config && config.polygonVigilKey) ?? process.env.POLYGON_VIGIL_KEY ?? `1bdde9289621d9d420488a9804254f4a958e128b`;
+const infuraProjectId = (config && config.infuraProjectId) ?? process.env.infuraProjectId;
+const ethereumHost = (config && config.ethereumHost) ?? process.env.ETHEREUM_HOST ?? 'ethereum.exokit.org';
+const storageHost = (config && config.storageHost) ?? process.env.STORAGE_HOST ?? 'https://ipfs.exokit.org';
+const appPreviewHost = (config && config.appPreviewHost) ?? process.env.APP_PREVIEW_HOST ?? `https://app.webaverse.com/preview.html`;
+
+if(!redisKey) console.warn("Environment vars not set successfully, do you have config.json or env vars set up?");
+
+module.exports = {
+    redisKey,
+    polygonVigilKey,
+    infuraProjectId,
+    ethereumHost,
+    storageHost,
+    appPreviewHost
+}

index.js

@@ -1,7 +1,7 @@
 const fs = require('fs');
 const child_process = require('child_process');
 const {initCaches} = require('./cache.js');
-const {redisKey} = require('./config.json');
+const {redisKey} = require('./environment.js');
 
 let redisConfTxt = fs.readFileSync('./redis.conf.template', 'utf8');
 redisConfTxt = redisConfTxt.replace(/# requirepass foobared/, `requirepass ${redisKey}`);