diff --git a/docker-compose.yml b/docker-compose.yml
index 50dbdcc..5f52f46 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -95,7 +95,7 @@ services:
       minio:
         condition: service_healthy
     environment:
-      BROWSERLESS_URL: "http://browserless:3000"
+      BROWSERLESS_URL: "http://browserless:${BROWSERLESS_PORT:-3030}"
       BROWSERLESS_TOKEN: "${BROWSERLESS_TOKEN:-}"
       # content | scrape | cdp | direct — swap to test different strategies.
       BROWSERLESS_STRATEGY: "${BROWSERLESS_STRATEGY:-direct}"
@@ -149,7 +149,7 @@ services:
       POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
       PUBLIC_MINIO_PUBLIC_URL: "${PUBLIC_MINIO_PUBLIC_URL:-http://localhost:9000}"
     ports:
-      - "${UI_PORT:-3000}:3000"
+      - "${UI_PORT:-5252}:3000"
     healthcheck:
       test: ["CMD", "wget", "-qO-", "http://localhost:3000/"]
       interval: 15s
diff --git a/ui/Dockerfile b/ui/Dockerfile
index 797260b..a3adf46 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -19,5 +19,5 @@ ENV NODE_ENV=production
 ENV PORT=3000
 ENV HOST=0.0.0.0
 
-EXPOSE 3000
+EXPOSE $PORT
 CMD ["node", "build"]