diff --git a/HowtoMastodon.md b/HowtoMastodon.md
index c710a04a..c84d95d2 100644
--- a/HowtoMastodon.md
+++ b/HowtoMastodon.md
@@ -136,6 +136,7 @@ Compilation des assets :
 
 ~~~
 $ bundle exec rails assets:precompile
+$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public
 ~~~
 
 
@@ -144,6 +145,7 @@ $ bundle exec rails assets:precompile
 Unités systemd à mettre dans /etc/systemd/system
 
 mastodon-web.service
+
 ~~~
 [Unit]
 Description=mastodon-web
@@ -164,6 +166,7 @@ WantedBy=multi-user.target
 ~~~
 
 mastodon-sidekiq.service
+
 ~~~
 [Unit]
 Description=mastodon-sidekiq
@@ -184,6 +187,7 @@ WantedBy=multi-user.target
 ~~~
 
 mastodon-streaming.service
+
 ~~~
 [Unit]
 Description=mastodon-streaming
@@ -220,7 +224,102 @@ RAILS_ENV=production
 On utilise Nginx :
 
 ~~~
-# apt install nginx
+# apt install nginx-full
+~~~
+
+Exemple de vhost :
+
+~~~
+map $http_upgrade $connection_upgrade {
+  default upgrade;
+  ''      close;
+}
+
+server {
+  listen 80;
+  listen [::]:80;
+  server_name example.com;
+  # Useful for Let's Encrypt
+  location /.well-known/acme-challenge/ { allow all; }
+  location / { return 301 https://$host$request_uri; }
+}
+
+server {
+  listen 443 ssl http2;
+  listen [::]:443 ssl http2;
+  server_name example.com;
+
+  ssl_protocols TLSv1.2;
+  ssl_ciphers HIGH:!MEDIUM:!LOW:!aNULL:!NULL:!SHA;
+  ssl_prefer_server_ciphers on;
+  ssl_session_cache shared:SSL:10m;
+
+  ssl_certificate     /etc/letsencrypt/live/example.com/fullchain.pem;
+  ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
+
+  keepalive_timeout    70;
+  sendfile             on;
+  client_max_body_size 0;
+
+  root /home/mastodon/mastodon/public;
+
+  gzip on;
+  gzip_disable "msie6";
+  gzip_vary on;
+  gzip_proxied any;
+  gzip_comp_level 6;
+  gzip_buffers 16 8k;
+  gzip_http_version 1.1;
+  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+
+  add_header Strict-Transport-Security "max-age=31536000";
+
+  location / {
+    try_files $uri @proxy;
+  }
+
+  location ~ ^/(packs|system/media_attachments/files|system/accounts/avatars) {
+    add_header Cache-Control "public, max-age=31536000, immutable";
+    try_files $uri @proxy;
+  }
+
+  location @proxy {
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto https;
+    proxy_set_header Proxy "";
+    proxy_pass_header Server;
+
+    proxy_pass http://127.0.0.1:3000;
+    proxy_buffering off;
+    proxy_redirect off;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $connection_upgrade;
+
+    tcp_nodelay on;
+  }
+
+  location /api/v1/streaming {
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto https;
+    proxy_set_header Proxy "";
+
+    proxy_pass http://127.0.0.1:4000;
+    proxy_buffering off;
+    proxy_redirect off;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection $connection_upgrade;
+
+    tcp_nodelay on;
+  }
+
+  error_page 500 501 502 503 504 /500.html;
+}
 ~~~
 
 > **Note** : La partie SSL/TLS n'est pas évoquée. À vous de faire le nécessaire avec un certificat Let's Encrypt par exemple. N'oubliez donc pas de modifier les directives `ssl_` dans le vhost.  
@@ -229,4 +328,17 @@ On utilise Nginx :
 
 Le principe des mises à jour est basé sur un `git pull` et un `git checkout`.
 
+~~~
+# sudo -iu mastodon
+$ cd mastodon
+$ git fetch
+$ git checkout $(git tag | tail -n 1)
+$ bundle exec rails db:migrate
+$ yarn install --pure-lockfile
+$ bundle exec rails assets:precompile
+$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public
+$ exit
+# systemctl restart mastodon-*.service
+~~~
+
 # Divers / FAQ
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