h1. Creating Veery API NodeJS

Jan 24, 2017


http://veeryapinodejs.soupmode.com


hr.

edit dns.
create cname record:
 hostname = veeryapinodejs
 is an alias of = @


cd into /home/veery

mkdir Veery-API-NodeJS

cd into Veery-API-NodeJS

mkdir js

cd js

mkdir node_modules, although it might get automatically created later

create package.json

{
  "name" : "Veery-API-NodeJS",
  "version" : "1.0.0",
  "dependencies" : {
    "express"            : "4.14.0",
    "body-parser"        : "1.16.0",
    "html-entities"      : "1.2.0",
    "querystring"        : "0.2.0"
  }
}

unsure if i need all of those packages. i looked up the most recent package version numbers at https://www.npmjs.com

the command "npm install" will read the package.json file, create node_modules  directory, and place the downloaded the packages listed in the json file in that directory.

within the same "js" directory, create dispatch.js

var express        = require('express'),
    bodyParser     = require('body-parser'),
    path           = require('path'),

app = express();

app.use(bodyParser.urlencoded({ extended: true })); // parse application/x-www-form-urlencoded

app.get('/', function(req, res){
  res.send('hello world');
});

app.listen(3002);


cd /etc/nginx/sites-available

create veeryapinodejs.soupmode.com

# veeryapinodejs.soupmode.com-info

server {
    listen   80;
    server_name veeryapinodejs.soupmode.com;

    location / {
        default_type text/html;
        error_page 404 = @fallback;
    }

    location @fallback {
        proxy_pass         http://veeryapinodejs.soupmode.com:3002;
    }

}



ln -s /etc/nginx/sites-available/veeryapinodejs.soupmode.com /etc/nginx/sites-enabled/veeryapinodejs.soupmode.com

service nginx restart

forever start dispatch.js


more about forever commands:

usage: forever [start | stop | stopall | list] [options] SCRIPT [script options]

options:
  start          start SCRIPT as a daemon
  stop           stop the daemon SCRIPT
  stopall        stop all running forever scripts
  list           list all running forever scripts


forever list


in browser or with curl, access http://veeryapinodejs.soupmode.com

should see the plain text response: hello world



h3. etc.

http://expressjs.com/en/4x/api.html

http://jothut.com/cgi-bin/junco.pl/blogpost/36422/10Nov2014/Learning-NodeJS-Programming



h3. couchdb clients

1.
https://www.npmjs.com/package/couchdb


2.
https://www.npmjs.com/package/nano


3.
https://www.npmjs.com/package/couchdb-client


4. - the one that i chose to try first:
https://www.npmjs.com/package/couchdbjs






### Jan 26, 2017

created command prompt test script. 

tried running but i received:

SyntaxError: Use of const in strict mode.

which is due to the use of const in the couchdbjs module and due to my server running and old version of node.

http://askubuntu.com/questions/426750/how-can-i-update-my-nodejs-to-the-latest-version

sudo npm cache clean -f
sudo npm install -g n
sudo n stable
sudo ln -sf /usr/local/n/versions/node/<VERSION>/bin/node /usr/bin/node 

version=7.4.0

but when i ran node -v, i was still running the old version instead of v7.4.0 that i installed. the old version was v0.10.21

i tried whereis node which produced:

/usr/bin/node /usr/local/bin/node


both of those were version 7.4.0.

then i did "which node" which produced:
/root/local/bin/node

i did:
ln -sf /usr/local/n/versions/node/7.4.0/bin/node /root/local/bin/node

and now when i run "node -v", i get:
v7.4.0

and now my test script works.