PayloadTooLargeError: request entity too large
    at readStream (/home/api/wordcloud/node_modules/raw-body/index.js:156:17)
    at getRawBody (/home/api/wordcloud/node_modules/raw-body/index.js:109:12)
    at read (/home/api/wordcloud/node_modules/body-parser/lib/read.js:79:3)
    at urlencodedParser (/home/api/wordcloud/node_modules/body-parser/lib/types/urlencoded.js:116:5)
    at Layer.handle [as handle_request] (/home/api/wordcloud/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/home/api/wordcloud/node_modules/express/lib/router/index.js:328:13)
    at /home/api/wordcloud/node_modules/express/lib/router/index.js:286:9
    at Function.process_params (/home/api/wordcloud/node_modules/express/lib/router/index.js:346:12)
    at next (/home/api/wordcloud/node_modules/express/lib/router/index.js:280:10)
    at serveStatic (/home/api/wordcloud/node_modules/serve-static/index.js:75:16)