Revert "suppr nginx.conf"

This reverts commit 8141dcee8c.

nginx.conf

@@ -0,0 +1,44 @@
+server {
+    listen 80;
+    listen [::]:80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    ##########################
+    # API
+    ##########################
+    location /api/ {
+        proxy_pass http://back:8080;
+        proxy_http_version 1.1;
+        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 $scheme;
+    }
+
+    ##########################
+    # Etherpad (optionnel)
+    ##########################
+    location /pad/ {
+        proxy_pass http://etherpad:9001/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+    }
+
+    ##########################
+    # Front Angular
+    ##########################
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+
+}