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Allow using environment variables to configure the exporter. #422

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Allow using environment variables to configure the exporter. #422

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4 changes: 2 additions & 2 deletions src/exporter.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,15 @@ const path = require('path');
const logger = require('./lib/logger');

// Check if there is a `apps.json` in the config folder
if (!fs.existsSync(path.resolve(__dirname, '../config/apps.json'))) {
if (!process.env.APPS && !fs.existsSync(path.resolve(__dirname, '../config/apps.json'))) {
logger.error(
'Please copy the file "src/examples/apps.json" => "config/apps.json"',
);
process.exit(1);
}

// Check if there is a `config.json` in the config folder
if (!fs.existsSync(path.resolve(__dirname, '../config/config.json'))) {
if (!process.env.CONFIG && !fs.existsSync(path.resolve(__dirname, '../config/config.json'))) {
logger.error(
'Please copy the file "src/examples/config.json" => "config/config.json"',
);
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8 changes: 4 additions & 4 deletions src/lib/prometheus.js
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Expand Up @@ -4,10 +4,10 @@ const client = require('prom-client');
const itunes = require('app-store-scraper');
const gplay = require('google-play-scraper');

// Config files
const config = require('../../config/config.json');
const apps = require('../../config/apps.json');
const metrics = require('../config/metrics.json');
// get config from docker environment variables or config files
const config = process.env.CONFIG ? JSON.parse(process.env.CONFIG) : require('../../config/config.json');
const apps = process.env.APPS ? JSON.parse(process.env.APPS) : require('../../config/apps.json');
const metrics = process.env.METRICS ? JSON.parse(process.env.METRICS) : require('../config/metrics.json');

const register = new client.Registry();

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