diff --git a/installation/pleroma.nginx b/installation/pleroma.nginx
index d301ca615..d613befd2 100644
--- a/installation/pleroma.nginx
+++ b/installation/pleroma.nginx
@@ -9,6 +9,12 @@
 proxy_cache_path /tmp/pleroma-media-cache levels=1:2 keys_zone=pleroma_media_cache:10m max_size=10g
                  inactive=720m use_temp_path=off;
 
+# this is explicitly IPv4 since Pleroma.Web.Endpoint binds on IPv4 only
+# and `localhost.` resolves to [::0] on some systems: see issue #930
+upstream phoenix {
+    server 127.0.0.1:4000 max_fails=5 fail_timeout=60s;
+}
+
 server {
     server_name    example.tld;
 
@@ -63,19 +69,16 @@ server {
 
     # the nginx default is 1m, not enough for large media uploads
     client_max_body_size 16m;
+    ignore_invalid_headers off;
+
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
     location / {
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $http_host;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-
-        # this is explicitly IPv4 since Pleroma.Web.Endpoint binds on IPv4 only
-        # and `localhost.` resolves to [::0] on some systems: see issue #930
-        proxy_pass http://127.0.0.1:4000;
-
-        client_max_body_size 16m;
+        proxy_pass http://phoenix;
     }
 
     location ~ ^/(media|proxy) {
@@ -83,12 +86,16 @@ server {
         slice              1m;
         proxy_cache_key    $host$uri$is_args$args$slice_range;
         proxy_set_header   Range $slice_range;
-        proxy_http_version 1.1;
         proxy_cache_valid  200 206 301 304 1h;
         proxy_cache_lock   on;
         proxy_ignore_client_abort on;
         proxy_buffering    on;
         chunked_transfer_encoding on;
-        proxy_pass         http://127.0.0.1:4000;
+        proxy_pass         http://phoenix;
+    }
+
+    location /api/fedsocket/v1 {
+        proxy_request_buffering off;
+        proxy_pass http://phoenix/api/fedsocket/v1;
     }
 }