diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 0000000..1c5b486
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,36 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+
+    - name: Build
+      run: go build -v .
+
+    - name: Test
+      run: go test -v .
diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
new file mode 100644
index 0000000..16e69b0
--- /dev/null
+++ b/.github/workflows/verify.yml
@@ -0,0 +1,35 @@
+name: Verify
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  verify:
+    name: Verify
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        if [ -f Gopkg.toml ]; then
+            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+            dep ensure
+        fi
+
+    - name: Verify Codegen
+      run: hack/verify-codegen.sh
+
+    - name: Verify Manifests 
+      run: hack/verify-manifests.sh
\ No newline at end of file
diff --git a/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml b/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
index 81bb00a..f93aa1b 100644
--- a/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
+++ b/config/crd/bases/seaweed.seaweedfs.com_seaweeds.yaml
@@ -6832,7 +6832,8 @@ spec:
                     - name
                     type: object
                   type: array
-                garbageThreshold: {}
+                garbageThreshold:
+                  type: string
                 hostNetwork:
                   description: Whether Hostnetwork of the component is enabled. Override
                     the cluster-level setting if present
diff --git a/hack/verify-codegen.sh b/hack/verify-codegen.sh
new file mode 100755
index 0000000..96f1b7d
--- /dev/null
+++ b/hack/verify-codegen.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+ROOT=$(unset CDPATH && cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
+
+DIFFROOT="${ROOT}/api"
+TMP_DIFFROOT="${ROOT}/_tmp/api"
+_tmp="${ROOT}/_tmp"
+
+cleanup() {
+  rm -rf "${_tmp}"
+}
+trap "cleanup" EXIT SIGINT
+
+cleanup
+
+mkdir -p "${TMP_DIFFROOT}"
+cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"
+
+make generate
+echo "diffing ${DIFFROOT} against freshly generated codegen"
+ret=0
+diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
+cp -a "${TMP_DIFFROOT}"/* "${DIFFROOT}"
+if [[ $ret -eq 0 ]]; then
+  echo "${DIFFROOT} up to date."
+else
+  echo "${DIFFROOT} is out of date. Please run make generate"
+  exit 1
+fi
diff --git a/hack/verify-manifests.sh b/hack/verify-manifests.sh
new file mode 100755
index 0000000..57d01ff
--- /dev/null
+++ b/hack/verify-manifests.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+ROOT=$(unset CDPATH && cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
+
+DIFFROOT="${ROOT}/config"
+TMP_DIFFROOT="${ROOT}/_tmp/config"
+_tmp="${ROOT}/_tmp"
+
+cleanup() {
+  rm -rf "${_tmp}"
+}
+trap "cleanup" EXIT SIGINT
+
+cleanup
+
+mkdir -p "${TMP_DIFFROOT}"
+cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"
+
+make manifests
+echo "diffing ${DIFFROOT} against freshly generated manifests"
+ret=0
+diff -Naupr "${DIFFROOT}" "${TMP_DIFFROOT}" || ret=$?
+cp -a "${TMP_DIFFROOT}"/* "${DIFFROOT}"
+if [[ $ret -eq 0 ]]; then
+  echo "${DIFFROOT} up to date."
+else
+  echo "${DIFFROOT} is out of date. Please run make manifests"
+  exit 1
+fi