diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7c0c324..73d3438 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       uses: jtalk/url-health-check-action@v2
       with:
         # Check the following URLs one by one sequentially
-        url: http://127.0.0.1:8088/metrics|http://127.0.0.1:8087/metrics|http://127.0.0.1:8089/metrics
+        url: http://127.0.0.1:8088/metrics
         # Fail this action after this many failed attempts
         max-attempts: 5
         # Delay between retries
diff --git a/.github/workflows/pypi-release.yml b/.github/workflows/pypi-release.yml
index 12698b5..d6ff85f 100644
--- a/.github/workflows/pypi-release.yml
+++ b/.github/workflows/pypi-release.yml
@@ -1,8 +1,5 @@
 name: Publish to PyPI
-on:
-  push:
-    branches:
-      - main
+on: release
 jobs:
   publish:
     runs-on: ubuntu-latest
diff --git a/tests/docker-compose.yml b/tests/docker-compose.yml
index 10f5e8f..b5047ee 100644
--- a/tests/docker-compose.yml
+++ b/tests/docker-compose.yml
@@ -16,46 +16,9 @@ services:
       MYSQL_DATABASE: gorse
       MYSQL_USER: gorse
       MYSQL_PASSWORD: gorse_pass
-    volumes:
-      - mysql_data:/var/lib/mysql
 
-  worker:
-    image: zhenghaoz/gorse-worker:nightly
-    restart: unless-stopped
-    ports:
-      - 8089:8089
-    command: >
-      --master-host master --master-port 8086 
-      --http-host 0.0.0.0 --http-port 8089
-      --log-path /var/log/gorse/worker.log 
-      --cache-path /var/lib/gorse/worker_cache.data
-    volumes:
-      - gorse_log:/var/log/gorse
-      - worker_data:/var/lib/gorse
-    depends_on:
-      - master
-
-  server:
-    image: zhenghaoz/gorse-server:nightly
-    restart: unless-stopped
-    ports:
-      - 8087:8087
-    environment:
-      GORSE_CACHE_STORE: redis://redis:6379
-      GORSE_DATA_STORE: mysql://gorse:gorse_pass@tcp(mysql:3306)/gorse?parseTime=true
-    command: >
-      --master-host master --master-port 8086 
-      --http-host 0.0.0.0 --http-port 8087
-      --log-path /var/log/gorse/server.log 
-      --cache-path /var/lib/gorse/server_cache.data
-    volumes:
-      - gorse_log:/var/log/gorse
-      - server_data:/var/lib/gorse
-    depends_on:
-      - master
-
-  master:
-    image: zhenghaoz/gorse-master:nightly
+  gorse:
+    image: zhenghaoz/gorse-in-one:nightly
     restart: unless-stopped
     ports:
       - 8086:8086
@@ -69,15 +32,6 @@ services:
       --cache-path /var/lib/gorse/master_cache.data
     volumes:
       - ./config.toml:/etc/gorse/config.toml
-      - gorse_log:/var/log/gorse
-      - master_data:/var/lib/gorse
     depends_on:
       - redis
       - mysql
-
-volumes:
-  mysql_data:
-  worker_data:
-  server_data:
-  master_data:
-  gorse_log:
diff --git a/tests/test_gorse.py b/tests/test_gorse.py
index c52606f..ae0a90f 100644
--- a/tests/test_gorse.py
+++ b/tests/test_gorse.py
@@ -3,9 +3,11 @@
 import redis
 from gorse import Gorse, GorseException
 
+GORSE_ENDPOINT = 'http://127.0.0.1:8088'
+
 
 def test_users():
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     # Insert a user.
     r = client.insert_user({'UserId': '100', 'Labels': ['a', 'b', 'c'], 'Subscribe': ['d', 'e'], 'Comment': 'comment'})
     assert r['RowAffected'] == 1
@@ -23,7 +25,7 @@ def test_users():
 
 
 def test_items():
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     timestamp = datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ')
     # Insert an item.
     r = client.insert_item(
@@ -46,7 +48,7 @@ def test_items():
 
 
 def test_feedback():
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     timestamp = datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
     # Insert a feedback
     r = client.insert_feedback('like', '100', '100', timestamp)
@@ -69,7 +71,7 @@ def test_recommend():
     r = redis.Redis(host='127.0.0.1', port=6379, db=0)
     r.zadd('offline_recommend/100', {'1': 1, '2': 2, '3': 3})
 
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     recommend = client.get_recommend('100')
     assert recommend == ['3', '2', '1']
 
@@ -78,7 +80,7 @@ def test_neighbors():
     r = redis.Redis(host='127.0.0.1', port=6379, db=0)
     r.zadd('item_neighbors/100', {'1': 1, '2': 2, '3': 3})
 
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     items = client.get_neighbors('100')
     assert items == [{'Id': '3', 'Score': 3}, {'Id': '2', 'Score': 2}, {'Id': '1', 'Score': 1}]
 
@@ -90,7 +92,7 @@ def test_session_recommend():
     r.zadd('item_neighbors/3', {"4": 100000, "7": 1, "8": 1, "9": 1})
     r.zadd('item_neighbors/4', {"1": 100000, "6": 1, "7": 1, "8": 1, "9": 1})
 
-    client = Gorse('http://127.0.0.1:8087', 'zhenghaoz')
+    client = Gorse(GORSE_ENDPOINT, 'zhenghaoz')
     recommend = client.session_recommend([
         {"FeedbackType": "like", "UserId": "0", "ItemId": "1",
          "Timestamp": datetime(2010, 1, 1, 1, 1, 1, 1).isoformat()},