varnish add

deploy/varnish/default.vcl

@@ -0,0 +1,53 @@
+vcl 4.1;
+
+import vsthrottle;
+
+backend app {
+  .host = "app";
+  .port = "8080";
+}
+
+acl purge { "localhost"; "127.0.0.1"; }
+
+sub vcl_recv {
+  # RATE LIMIT
+  if (!vsthrottle.is_allowed(client.ip, 10, 10s)) {
+    return (synth(429, "Too Many Requests"));
+  }
+
+  # PURGE tylko lokalnie
+  if (req.method == "PURGE") {
+    if (!client.ip ~ purge) { return (synth(405, "Not allowed")); }
+    return (purge);
+  }
+
+  # omijamy cache dla healthchecków / wewn. nagłówka
+  if (req.url == "/healthcheck" || req.http.X-Internal-Check) { return (pass); }
+
+  # metody inne niż GET/HEAD bez cache
+  if (req.method != "GET" && req.method != "HEAD") { return (pass); }
+
+  # static – agresywnie cache’ujemy
+  if (req.url ~ "^/static/" || req.url ~ "\.(css|js|png|jpg|svg|ico|woff2?)$") { return (hash); }
+
+  return (hash);
+}
+
+sub vcl_backend_response {
+  if (bereq.url ~ "^/static/" || bereq.url ~ "\.(css|js|png|jpg|svg|ico|woff2?)$") {
+    set beresp.ttl = 24h;
+  } else {
+    if (beresp.http.Cache-Control ~ "no-cache|no-store|private") {
+      set beresp.uncacheable = true;
+      set beresp.ttl = 0s;
+    } else {
+      set beresp.ttl = 60s;  # domyślny TTL dla HTML/API
+    }
+  }
+}
+
+sub vcl_deliver {
+  set resp.http.X-Cache = obj.hits > 0 ? "HIT" : "MISS";
+  set resp.http.X-RateLimit-Limit = "10";
+  set resp.http.X-RateLimit-Window = "10s";
+}

docker-compose.yml

@@ -2,8 +2,10 @@ services:
   app:
     build: .
     container_name: zbiorka-app
-    ports:
+    #ports:
-      - "${APP_PORT:-8080}:${APP_PORT}"
+    #  - "${APP_PORT:-8080}:${APP_PORT}"
+    expose:
+      - "${APP_PORT}"
     healthcheck:
       test: [ "CMD", "python", "-c", "import urllib.request; import sys; req = urllib.request.Request('http://localhost:${APP_PORT}/healthcheck', headers={'X-Internal-Check': '${HEALTHCHECK_TOKEN}'}); sys.exit(0) if urllib.request.urlopen(req).read() == b'OK' else sys.exit(1)" ]
       interval: 30s
@@ -15,3 +17,24 @@ services:
     volumes:
       - ./instance:/app/instance
     restart: unless-stopped
+
+  varnish:
+    image: varnish:fresh
+    container_name: zbiorka-varnish
+    depends_on:
+      app:
+        condition: service_healthy
+    ports:
+      - "${APP_PORT:-8080}:80"
+    volumes:
+      - ./deploy/varnish/default.vcl:/etc/varnish/default.vcl:ro
+    environment:
+      - VARNISH_SIZE=256m
+    healthcheck:
+      test: [ "CMD-SHELL", "curl -fsS -H 'X-Internal-Check=${HEALTHCHECK_TOKEN}' http://localhost/healthcheck | grep -q OK" ]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+    env_file:
+      - .env
+    restart: unless-stopped