diff --git a/.drone.yml b/.drone.yml
index 097848f..b120a6b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -25,6 +25,20 @@ steps:
       cache_from:
         - "registry.dev.onetask.ai/${DRONE_REPO}:main"
         - "registry.dev.onetask.ai/${DRONE_REPO}:${DRONE_COMMIT_BRANCH}"
+
+trigger:
+  event:
+    - push
+
+---
+kind: pipeline
+type: docker
+name: trigger update
+
+platform:
+  arch: amd64
+
+steps:
   - name: trigger update
     image: appleboy/drone-ssh
     settings:
@@ -38,7 +52,12 @@ steps:
       script:
         - /bin/sh ./trigger_dev_deployment.sh
 
+depends_on:
+  - amd64
+
 trigger:
+  branch:
+    - dev
   event:
     - push
 
diff --git a/Dockerfile b/Dockerfile
index 7d7d244..eb82bec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 
-FROM python:3.9
+FROM python:3.9-slim
 
 WORKDIR /program
 
diff --git a/dev.Dockerfile b/dev.Dockerfile
index 7794cb1..c9dcf17 100644
--- a/dev.Dockerfile
+++ b/dev.Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.9-slim
 
 WORKDIR /app
 
diff --git a/requirements.txt b/requirements.txt
index 024eee0..a55f94f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,38 +1,8 @@
-aniso8601==9.0.1
-anyio==3.3.4
-asgiref==3.4.1
-attrs==21.2.0
-black==21.10b0
-certifi==2021.10.8
-click==8.0.3
 fastapi==0.70.0
-greenlet==1.1.2
-h11==0.12.0
-idna==3.3
-importlib-resources==5.4.0
-itsdangerous==2.0.1
-Jinja2==3.0.2
-jsonschema==4.2.1
-MarkupSafe==2.0.1
-mypy-extensions==0.4.3
-numpy==1.22.0
 pandas==1.3.4
-pathspec==0.9.0
-platformdirs==2.4.0
 psycopg2-binary==2.9.3
 pydantic==1.8.2
-pyrsistent==0.18.0
-python-dateutil==2.8.2
-pytz==2021.3
-regex==2021.11.2
 requests
-scipy==1.7.2
-six==1.16.0
-sniffio==1.2.0
 SQLAlchemy==1.4.32
-starlette==0.16.0
-tomli==1.2.2
-typing-extensions==3.10.0.2
 uvicorn==0.15.0
-zipp==3.7.0
 weak-nlp==0.0.11
diff --git a/submodules/model b/submodules/model
index de478fc..e05a931 160000
--- a/submodules/model
+++ b/submodules/model
@@ -1 +1 @@
-Subproject commit de478fcbdb1ae937eae252add39475f61ffcdd68
+Subproject commit e05a931fcece9ef6ad764f7c17e21565afee84d9