feat(realtime): Realtime streams v2 (#2632)

docker/config/nginx.conf

@@ -0,0 +1,45 @@
+# nginx.conf (relevant bits)
+events {}
+
+http {
+  # This now governs idle close for HTTP/2, since http2_idle_timeout is obsolete.
+  keepalive_timeout 75s;   # ← set to 60–80s to reproduce your prod-ish drop
+
+  # Good defaults for streaming
+  sendfile off;            # avoid sendfile delays for tiny frames
+  tcp_nodelay on;
+
+  upstream app_upstream {
+    server host.docker.internal:3030;
+    keepalive 16;
+  }
+
+  server {
+    listen 8443 ssl;       # ← no ‘http2’ here…
+    http2 on;              # ← …use the standalone directive instead
+    server_name localhost;
+
+    ssl_certificate     /etc/nginx/certs/cert.pem;
+    ssl_certificate_key /etc/nginx/certs/key.pem;
+
+    location / {
+      # Make SSE actually stream through NGINX:
+      proxy_buffering off;                    # don’t buffer
+      gzip off;                               # don’t compress
+      add_header X-Accel-Buffering no;        # belt & suspenders for NGINX buffering
+      proxy_set_header Accept-Encoding "";    # stop upstream gzip (SSE + gzip = sad)
+
+      # Plain h1 to upstream is fine for SSE
+      proxy_http_version 1.1;
+      proxy_set_header Connection "";
+
+      proxy_read_timeout 30s;
+      proxy_send_timeout 30s;
+
+      proxy_set_header Host $host;
+      proxy_set_header X-Forwarded-For $remote_addr;
+
+      proxy_pass http://app_upstream;
+    }
+  }
+}

docker/config/toxiproxy.json

@@ -0,0 +1,8 @@
+[
+  {
+    "name": "trigger_webapp_local",
+    "listen": "[::]:30303",
+    "upstream": "host.docker.internal:3030",
+    "enabled": true
+  }
+]

docker/docker-compose.yml

@@ -141,6 +141,29 @@ services:
     networks:
       - app_network
 
+  toxiproxy:
+    container_name: toxiproxy
+    image: ghcr.io/shopify/toxiproxy:latest
+    restart: always
+    volumes:
+      - ./config/toxiproxy.json:/config/toxiproxy.json
+    ports:
+      - "30303:30303" # Proxied webapp port
+      - "8474:8474" # Toxiproxy API port
+    networks:
+      - app_network
+    command: ["-host", "0.0.0.0", "-config", "/config/toxiproxy.json"]
+
+  nginx-h2:
+    image: nginx:1.27
+    container_name: nginx-h2
+    restart: unless-stopped
+    ports:
+      - "8443:8443"
+    volumes:
+      - ./config/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./config/certs:/etc/nginx/certs:ro
+
   # otel-collector:
   #   container_name: otel-collector
   #   image: otel/opentelemetry-collector-contrib:latest