diff --git a/Dockerfile b/Dockerfile
index 6582377..66f523e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM cloudforet/python-core:1
+FROM cloudforet/python-core:2
 
 ENV PYTHONUNBUFFERED 1
 ENV CLOUDONE_PORT 50051
@@ -10,8 +10,7 @@ RUN apt update && apt upgrade -y
 
 COPY pkg/*.txt ${PKG_DIR}/
 RUN pip install --upgrade pip && \
-    pip install --upgrade --use-deprecated=legacy-resolver -r ${PKG_DIR}/pip_requirements.txt && \
-    pip install --upgrade spaceone-api
+    pip install --upgrade -r ${PKG_DIR}/pip_requirements.txt
 
 COPY src ${SRC_DIR}
 
@@ -22,4 +21,4 @@ RUN python3 setup.py install && \
 EXPOSE ${CLOUDONE_PORT}
 
 ENTRYPOINT ["spaceone"]
-CMD ["grpc", "cloudforet.cost_analysis"]
+CMD ["run", "grpc-server", "cloudforet.cost_analysis"]
diff --git a/src/cloudforet/cost_analysis/conf/proto_conf.py b/src/cloudforet/cost_analysis/conf/proto_conf.py
deleted file mode 100644
index ae53429..0000000
--- a/src/cloudforet/cost_analysis/conf/proto_conf.py
+++ /dev/null
@@ -1,5 +0,0 @@
-PROTO = {
-    'cloudforet.cost_analysis.interface.grpc.plugin.data_source': ['DataSource'],
-    'cloudforet.cost_analysis.interface.grpc.plugin.job': ['Job'],
-    'cloudforet.cost_analysis.interface.grpc.plugin.cost': ['Cost'],
-}
diff --git a/src/cloudforet/cost_analysis/interface/grpc/__init__.py b/src/cloudforet/cost_analysis/interface/grpc/__init__.py
index e69de29..ac1e2f0 100644
--- a/src/cloudforet/cost_analysis/interface/grpc/__init__.py
+++ b/src/cloudforet/cost_analysis/interface/grpc/__init__.py
@@ -0,0 +1,11 @@
+from spaceone.core.pygrpc.server import GRPCServer
+from .cost import Cost
+from .job import Job
+from .data_source import DataSource
+
+__all__ = ["app"]
+
+app = GRPCServer()
+app.add_service(DataSource)
+app.add_service(Job)
+app.add_service(Cost)
diff --git a/src/cloudforet/cost_analysis/interface/grpc/plugin/cost.py b/src/cloudforet/cost_analysis/interface/grpc/cost.py
similarity index 100%
rename from src/cloudforet/cost_analysis/interface/grpc/plugin/cost.py
rename to src/cloudforet/cost_analysis/interface/grpc/cost.py
diff --git a/src/cloudforet/cost_analysis/interface/grpc/plugin/data_source.py b/src/cloudforet/cost_analysis/interface/grpc/data_source.py
similarity index 100%
rename from src/cloudforet/cost_analysis/interface/grpc/plugin/data_source.py
rename to src/cloudforet/cost_analysis/interface/grpc/data_source.py
diff --git a/src/cloudforet/cost_analysis/interface/grpc/plugin/job.py b/src/cloudforet/cost_analysis/interface/grpc/job.py
similarity index 100%
rename from src/cloudforet/cost_analysis/interface/grpc/plugin/job.py
rename to src/cloudforet/cost_analysis/interface/grpc/job.py
diff --git a/src/cloudforet/cost_analysis/interface/grpc/plugin/__init__.py b/src/cloudforet/cost_analysis/interface/grpc/plugin/__init__.py
deleted file mode 100644
index e69de29..0000000