diff --git a/notes_hugo.md b/notes_hugo.md
index a24708a8..55e19480 100644
--- a/notes_hugo.md
+++ b/notes_hugo.md
@@ -1,4 +1,23 @@
## node.js & postgresql
-- https://www.youtube.com/watch?v=ufdHsFClAk0
+- [youtube tuto js + postgresql](https://www.youtube.com/watch?v=ufdHsFClAk0)
+- [node.js wikipedia](https://en.wikipedia.org/wiki/Node.js)
+- node.js is originally a replacement to the web server apache
+- [youtube tuto nodejs fr](https://www.youtube.com/watch?v=0PA69L88HeI)
+
+code synchrone / asynchrone :
+```
+// bocking code
+var content = fs.readFileSync('MyFile.txt');
+console.log('my file :', content);
+
+// non-bocking code
+fs.readFile('MyFile.txt', (err, content) => {
+ if (err) {
+ throw err;
+ }
+ console.log('my file :', content);
+});
+```
+- [doc technos generic](https://devdocs.io/)
diff --git a/tests/tests_hugo/index.html b/tests/tests_hugo/index.html
new file mode 100644
index 00000000..4bdda0a2
--- /dev/null
+++ b/tests/tests_hugo/index.html
@@ -0,0 +1,9 @@
+
+
+
+ my title
+
+
+ my page
+
+
diff --git a/tests/tests_hugo/server.js b/tests/tests_hugo/server.js
new file mode 100644
index 00000000..66ec27e2
--- /dev/null
+++ b/tests/tests_hugo/server.js
@@ -0,0 +1,25 @@
+// console.log('salut')
+let http = require('http')
+let fs = require('fs')
+
+let server = http.createServer()
+
+server.on('request', (request, response) => {
+
+// fs.readFile('index.html', (err, data) => {
+// if (err) {
+// response.writeHead(404)
+// response.end('file not found')
+// }
+// else {
+// response.writeHead(200, {
+// 'content-type': 'text/html; charset=utf-8'
+// })
+// response.end('salut comment ca va')
+// }
+// })
+
+})
+
+server.listen('8080')
+