diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..9b757947b5
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,146 @@
+name: ci
+
+on:
+  push:
+  pull_request:
+    branches:
+      - '*'
+
+env:
+  TEST_TAG: tugraph/tugraph-ut:test
+
+# Issues TODO:
+# 1. Seems GitHub limits the output passed among jobs up to 1MB,
+#    so we can't break down the entire workflow to multi-jobs.
+# 2. For submodules in the repo inside the single job, the git binary in docker image
+#    should be upgrade to at least 2.18 in order to use actions/checkout@v3
+#    inside docker instead of running ut and it via Dockerfile.
+jobs:
+  ut_no_asan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete huge unnecessary tools folder
+        run: |
+          df -h
+          echo "Listing 100 largest packages"
+          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
+          echo "Removing large packages"
+          sudo apt-get remove -y '^dotnet-.*'
+          sudo apt-get remove -y '^llvm-.*'
+          sudo apt-get remove -y 'php.*'
+          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
+          sudo apt-get autoremove -y
+          sudo apt-get clean
+          df -h
+          echo "Removing large directories"
+          rm -rf /usr/share/dotnet/
+          rm -rf /opt/hostedtoolcache
+          df -h
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          buildkitd-flags: --debug
+      - name: Unit Test
+        uses: docker/build-push-action@v4
+        with:
+          file: ci/images/github-ci-ubuntu-latest-Dockerfile
+          context: .
+          tags: ${{ env.TEST_TAG }}
+          build-args: |
+            BUILD_TYPE=no_asan
+            TEST_TYPE=ut
+          secrets: |
+            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
+      - name: Check disk space
+        if: always()
+        run: df -h
+
+  ut_asan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete huge unnecessary tools folder
+        run: |
+          df -h
+          echo "Listing 100 largest packages"
+          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
+          echo "Removing large packages"
+          sudo apt-get remove -y '^dotnet-.*'
+          sudo apt-get remove -y '^llvm-.*'
+          sudo apt-get remove -y 'php.*'
+          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
+          sudo apt-get autoremove -y
+          sudo apt-get clean
+          df -h
+          echo "Removing large directories"
+          rm -rf /usr/share/dotnet/
+          rm -rf /opt/hostedtoolcache
+          df -h
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          buildkitd-flags: --debug
+      - name: Unit Test
+        uses: docker/build-push-action@v4
+        with:
+          file: ci/images/github-ci-ubuntu-latest-Dockerfile
+          context: .
+          tags: ${{ env.TEST_TAG }}
+          build-args: |
+            BUILD_TYPE=asan
+            TEST_TYPE=ut
+          secrets: |
+            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
+      - name: Check disk space
+        if: always()
+        run: df -h
+
+  it:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Delete huge unnecessary tools folder
+        run: |
+          df -h
+          echo "Listing 100 largest packages"
+          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
+          echo "Removing large packages"
+          sudo apt-get remove -y '^dotnet-.*'
+          sudo apt-get remove -y '^llvm-.*'
+          sudo apt-get remove -y 'php.*'
+          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
+          sudo apt-get autoremove -y
+          sudo apt-get clean
+          df -h
+          echo "Removing large directories"
+          rm -rf /usr/share/dotnet/
+          rm -rf /opt/hostedtoolcache
+          df -h
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+          buildkitd-flags: --debug
+      - name: Integration Test
+        uses: docker/build-push-action@v4
+        with:
+          file: ci/images/github-ci-ubuntu-latest-Dockerfile
+          context: .
+          tags: ${{ env.TEST_TAG }}
+          build-args: |
+            BUILD_TYPE=no_asan
+            TEST_TYPE=it
+          secrets: |
+            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
+      - name: Check disk space
+        if: always()
+        run: df -h
diff --git a/.github/workflows/ci_asan.yml b/.github/workflows/ci_asan.yml
deleted file mode 100644
index 95ada0e4ca..0000000000
--- a/.github/workflows/ci_asan.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-name: ci_asan
-
-on:
-  push:
-  pull_request:
-    branches:
-      - '*'
-
-env:
-  TEST_TAG: tugraph/tugraph-ut:test
-
-# Issues TODO:
-# 1. Seems GitHub limits the output passed among jobs up to 1MB,
-#    so we can't break down the entire workflow to multi-jobs.
-# 2. For submodules in the repo inside the single job, the git binary in docker image
-#    should be upgrade to at least 2.18 in order to use actions/checkout@v3
-#    inside docker instead of running ut and it via Dockerfile.
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete huge unnecessary tools folder
-        run: | 
-          df -h
-          echo "Listing 100 largest packages"
-          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
-          echo "Removing large packages"
-          sudo apt-get remove -y '^dotnet-.*'
-          sudo apt-get remove -y '^llvm-.*'
-          sudo apt-get remove -y 'php.*'
-          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
-          sudo apt-get autoremove -y
-          sudo apt-get clean
-          df -h
-          echo "Removing large directories"
-          rm -rf /usr/share/dotnet/
-          rm -rf /opt/hostedtoolcache
-          df -h
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          submodules: 'true'
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-        with:
-          buildkitd-flags: --debug
-      - name: Unit Test
-        uses: docker/build-push-action@v4
-        with:
-          file: ci/gh-actions/ubuntu-latest/Dockerfile
-          context: .
-          tags: ${{ env.TEST_TAG }}
-          build-args: |
-            BUILD_TYPE=asan
-            TEST_TYPE=ut
-          secrets: |
-            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
-      - name: Check disk space
-        if: always()
-        run: df -h
diff --git a/.github/workflows/ci_it.yml b/.github/workflows/ci_it.yml
deleted file mode 100644
index 6a97d359fc..0000000000
--- a/.github/workflows/ci_it.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-name: ci_it
-
-on:
-  push:
-  pull_request:
-    branches:
-      - '*'
-
-env:
-  TEST_TAG: tugraph/tugraph-ut:test
-
-# Issues TODO:
-# 1. Seems GitHub limits the output passed among jobs up to 1MB,
-#    so we can't break down the entire workflow to multi-jobs.
-# 2. For submodules in the repo inside the single job, the git binary in docker image
-#    should be upgrade to at least 2.18 in order to use actions/checkout@v3
-#    inside docker instead of running ut and it via Dockerfile.
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete huge unnecessary tools folder
-        run: |
-          df -h
-          echo "Listing 100 largest packages"
-          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
-          echo "Removing large packages"
-          sudo apt-get remove -y '^dotnet-.*'
-          sudo apt-get remove -y '^llvm-.*'
-          sudo apt-get remove -y 'php.*'
-          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
-          sudo apt-get autoremove -y
-          sudo apt-get clean
-          df -h
-          echo "Removing large directories"
-          rm -rf /usr/share/dotnet/
-          rm -rf /opt/hostedtoolcache
-          df -h
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          submodules: 'true'
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-        with:
-          buildkitd-flags: --debug
-      - name: Integration Test
-        uses: docker/build-push-action@v4
-        with:
-          file: ci/gh-actions/ubuntu-latest/Dockerfile
-          context: .
-          tags: ${{ env.TEST_TAG }}
-          build-args: |
-            BUILD_TYPE=no_asan
-            TEST_TYPE=it
-          secrets: |
-            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
-      - name: Check disk space
-        if: always()
-        run: df -h
diff --git a/.github/workflows/ci_ut.yml b/.github/workflows/ci_ut.yml
deleted file mode 100644
index 4398c105e3..0000000000
--- a/.github/workflows/ci_ut.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-name: ci_ut
-
-on:
-  push:
-  pull_request:
-    branches:
-      - '*'
-
-env:
-  TEST_TAG: tugraph/tugraph-ut:test
-
-# Issues TODO:
-# 1. Seems GitHub limits the output passed among jobs up to 1MB,
-#    so we can't break down the entire workflow to multi-jobs.
-# 2. For submodules in the repo inside the single job, the git binary in docker image
-#    should be upgrade to at least 2.18 in order to use actions/checkout@v3
-#    inside docker instead of running ut and it via Dockerfile.
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete huge unnecessary tools folder
-        run: |
-          df -h
-          echo "Listing 100 largest packages"
-          dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
-          echo "Removing large packages"
-          sudo apt-get remove -y '^dotnet-.*'
-          sudo apt-get remove -y '^llvm-.*'
-          sudo apt-get remove -y 'php.*'
-          sudo apt-get remove -y azure-cli google-chrome-stable firefox powershell mono-devel
-          sudo apt-get autoremove -y
-          sudo apt-get clean
-          df -h
-          echo "Removing large directories"
-          rm -rf /usr/share/dotnet/
-          rm -rf /opt/hostedtoolcache
-          df -h
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          submodules: 'true'
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-        with:
-          buildkitd-flags: --debug
-      - name: Unit Test
-        uses: docker/build-push-action@v4
-        with:
-          file: ci/gh-actions/ubuntu-latest/Dockerfile
-          context: .
-          tags: ${{ env.TEST_TAG }}
-          build-args: |
-            BUILD_TYPE=no_asan
-            TEST_TYPE=ut
-          secrets: |
-            "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}"
-      - name: Check disk space
-        if: always()
-        run: df -h
diff --git a/ci/gh-actions/ubuntu-latest/Dockerfile b/ci/images/github-ci-ubuntu-latest-Dockerfile
similarity index 100%
rename from ci/gh-actions/ubuntu-latest/Dockerfile
rename to ci/images/github-ci-ubuntu-latest-Dockerfile