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Simplify connection string from ENV #230

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Simplify connection string from ENV #230

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b416284
Simplify connection string from ENV
omercnet Dec 29, 2018
07f4716
Update README.md
omercnet Dec 29, 2018
5a0c8cb
parse JSON from env
omercnet Jan 26, 2019
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7 changes: 2 additions & 5 deletions README.md
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Expand Up @@ -174,11 +174,8 @@ The connection can also be automatically initiated through the environment (or w
|Env-variable|Description|
|--- |--- |
|`CONN_NAME`|The name of the connection to create on boot|
|`DB_USERNAME`|The username for the database connection|
|`DB_PASSWORD`|The password for the database user|
|`DB_HOST`|The host IP address or DNS name without the port!|
|`DB_PORT`|The port of the mongoDB database, if not provided the default 27017 will be used|
|`DB_NAME`|The name of the database|
|`CONN_URI`|Full connection URI (should include `mongo://`)|
|`CONN_OPTS`|Connection options in (e.g., `{"replicaSet": "rs0"}`|

*The Connection setup screen*
![adminMongo connections screen](https://raw.githubusercontent.com/mrvautin/mrvautin.github.io/master/images/adminMongo/adminMongo_connections.png "adminMongo connections screen")
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15 changes: 3 additions & 12 deletions app.js
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Expand Up @@ -111,19 +111,10 @@ if(!fs.existsSync(config_app)) fs.writeFileSync(config_app, JSON.stringify(confi
var configConnection = {
connections: {}
};
if(process.env.CONN_NAME && process.env.DB_HOST) {
if(!process.env.DB_PORT) process.env.DB_PORT = '27017'; // Use the default mongodb port when DB_PORT is not set
var connectionString = 'mongodb://';
if(process.env.DB_USERNAME && process.env.DB_PASSWORD && process.env.DB_NAME) {
connectionString += process.env.DB_USERNAME + ':' + process.env.DB_PASSWORD + '@' + process.env.DB_HOST + ':' + process.env.DB_PORT + '/' + process.env.DB_NAME;
}else if (process.env.DB_USERNAME && process.env.DB_PASSWORD) {
connectionString += process.env.DB_USERNAME + ':' + process.env.DB_PASSWORD + '@' + process.env.DB_HOST + ':' + process.env.DB_PORT + '/'
} else {
connectionString += process.env.DB_HOST + ':' + process.env.DB_PORT
}
if(process.env.CONN_NAME && process.env.CONN_URI) {
configConnection.connections[process.env.CONN_NAME] = {
connection_options: {},
connection_string: connectionString
connection_options: JSON.parse(process.env.CONN_OPTS),
connection_string: process.env.CONN_URI
};
}
if (!fs.existsSync(config_connections) || fs.readFileSync(config_connections, 'utf8') === '{}')
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