diff --git a/docker-compose.yml b/docker-compose.yml
index 1f4a3ee29e..497803c4c3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -24,8 +24,8 @@ services:
         image: registry.verdnatura.es/salix-mailer:${TAG}
         restart: unless-stopped
         build:
-            dockerfile: services/mailer/Dockerfile
+            context: services/mailer
         environment:
             - NODE_ENV
         volumes:
-            - /config/vn-mailer
\ No newline at end of file
+            - /containers/vn-mailer:/etc/vn-mailer
\ No newline at end of file
diff --git a/services/mailer/application/config.js b/services/mailer/application/config.js
index e1b9eb8d05..f0f0dfea69 100644
--- a/services/mailer/application/config.js
+++ b/services/mailer/application/config.js
@@ -1,30 +1,34 @@
 require('require-yaml');
 const fs = require('fs-extra');
-const package = require('../package.json');
-let configPath = `/config/${package.name}`;
-let nginxConfigPath = '/config/nginx';
-
+const packageJson = require('../package.json');
+let configPath = `/etc/${packageJson.name}`;
 let env = process.env.NODE_ENV ? process.env.NODE_ENV : 'development';
 
-if (env === 'development') {
-    configPath = `${__dirname}/config`;
-    nginxConfigPath = '../../nginx';
+let config = require('./config/datasources.json');
+let configFiles = [
+    `${configPath}/datasources.json`,
+    `${configPath}/datasources.${env}.json`
+];
+
+for (let configFile of configFiles) {
+    if (fs.existsSync(configFile))
+        Object.assign(config, require(configFile));
 }
 
-let config = require(`${configPath}/datasources.json`);
-let configEnvFile = `${configPath}/datasources.${env}.json`;
+let proxyConf = {};
+let proxyFiles = [
+    '../../nginx/config.yml',
+    `${configPath}/config.yml`,
+    `${configPath}/config.${env}.yml`
+];
 
-if (fs.existsSync(configEnvFile))
-    Object.assign(config, require(configEnvFile));
-
-let proxyConf = require(`${nginxConfigPath}/config.yml`);
-let proxyEnvFile = `${nginxConfigPath}/config.${env}.yml`;
-
-if (fs.existsSync(proxyEnvFile))
-    Object.assign(proxyConf, require(proxyEnvFile));
+for (let proxyFile of proxyFiles) {
+    if (fs.existsSync(proxyFile))
+        Object.assign(proxyConf, require(proxyFile));
+}
 
 config.proxy = proxyConf;
-config.package = package;
+config.package = packageJson;
 config.env = env;
 
-module.exports = config;
\ No newline at end of file
+module.exports = config;