diff --git a/.github/workflows/_deploy.yml b/.github/workflows/_deploy.yml
new file mode 100644
index 0000000..97a4db2
--- /dev/null
+++ b/.github/workflows/_deploy.yml
@@ -0,0 +1,83 @@
+name: Deploy (reusable)
+
+on:
+  workflow_call:
+    inputs:
+      module:
+        description: "Skaffold module: orion, worker, pusher, emailnotifierjob, memberreconciler, or migrations"
+        required: true
+        type: string
+      environment:
+        description: "Target environment: dev or prod"
+        required: true
+        type: string
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment: ${{ inputs.environment }}
+    defaults:
+      run:
+        working-directory: go
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go/go.mod
+          cache-dependency-path: go/go.sum
+
+      - name: Resolve environment settings
+        id: env
+        run: |
+          if [ "${{ inputs.environment }}" = "prod" ]; then
+            echo "project=flowy-prod-440017" >> "$GITHUB_OUTPUT"
+            echo "cluster=${{ vars.PROD_GKE_CLUSTER_NAME }}" >> "$GITHUB_OUTPUT"
+            echo "region=${{ vars.PROD_GKE_REGION }}" >> "$GITHUB_OUTPUT"
+          elif [ "${{ inputs.environment }}" = "dev" ]; then
+            echo "project=flowy-dev-440017" >> "$GITHUB_OUTPUT"
+            echo "cluster=${{ vars.DEV_GKE_CLUSTER_NAME }}" >> "$GITHUB_OUTPUT"
+            echo "region=${{ vars.DEV_GKE_REGION }}" >> "$GITHUB_OUTPUT"
+          else
+            echo "Unknown environment: ${{ inputs.environment }}" >&2
+            exit 1
+          fi
+
+      - name: Run tests
+        run: go test ./...
+
+      - name: Authenticate to Google Cloud
+        uses: google-github-actions/auth@v2
+        with:
+          credentials_json: ${{ inputs.environment == 'prod' && secrets.PROD_GKE_SERVICE_ACCOUNT_KEY || secrets.DEV_GKE_SERVICE_ACCOUNT_KEY }}
+
+      - uses: google-github-actions/setup-gcloud@v2
+
+      - name: Install gke-gcloud-auth-plugin
+        run: gcloud components install gke-gcloud-auth-plugin --quiet
+
+      - name: Configure Docker for Artifact Registry
+        run: gcloud auth configure-docker us-west2-docker.pkg.dev --quiet
+
+      - name: Get GKE credentials
+        run: |
+          gcloud container clusters get-credentials "${{ steps.env.outputs.cluster }}" \
+            --region "${{ steps.env.outputs.region }}" \
+            --project "${{ steps.env.outputs.project }}"
+
+      - name: Install skaffold
+        run: |
+          curl -fsSLo skaffold https://storage.googleapis.com/skaffold/releases/latest/skaffold-linux-amd64
+          sudo install skaffold /usr/local/bin/
+          skaffold version
+
+      - name: Deploy
+        env:
+          SKAFFOLD_DEFAULT_REPO: us-west2-docker.pkg.dev/${{ steps.env.outputs.project }}/deployments
+        run: |
+          if [ "${{ inputs.module }}" = "migrations" ]; then
+            kubectl delete job migrations --ignore-not-found
+            skaffold run -p migrations --tail
+          else
+            skaffold run -p ${{ inputs.environment }} -m ${{ inputs.module }}
+          fi
diff --git a/.github/workflows/deploy-emailnotifierjob.yml b/.github/workflows/deploy-emailnotifierjob.yml
new file mode 100644
index 0000000..5e22ac2
--- /dev/null
+++ b/.github/workflows/deploy-emailnotifierjob.yml
@@ -0,0 +1,22 @@
+name: Deploy emailnotifierjob
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-emailnotifierjob-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: emailnotifierjob
+      environment: ${{ inputs.environment }}
+    secrets: inherit
diff --git a/.github/workflows/deploy-memberreconciler.yml b/.github/workflows/deploy-memberreconciler.yml
new file mode 100644
index 0000000..ee4bde7
--- /dev/null
+++ b/.github/workflows/deploy-memberreconciler.yml
@@ -0,0 +1,22 @@
+name: Deploy memberreconciler
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-memberreconciler-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: memberreconciler
+      environment: ${{ inputs.environment }}
+    secrets: inherit
diff --git a/.github/workflows/deploy-migrations.yml b/.github/workflows/deploy-migrations.yml
new file mode 100644
index 0000000..5b9e953
--- /dev/null
+++ b/.github/workflows/deploy-migrations.yml
@@ -0,0 +1,22 @@
+name: Deploy migrations
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-migrations-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: migrations
+      environment: ${{ inputs.environment }}
+    secrets: inherit
diff --git a/.github/workflows/deploy-orion.yml b/.github/workflows/deploy-orion.yml
new file mode 100644
index 0000000..824d94e
--- /dev/null
+++ b/.github/workflows/deploy-orion.yml
@@ -0,0 +1,22 @@
+name: Deploy orion
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-orion-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: orion
+      environment: ${{ inputs.environment }}
+    secrets: inherit
diff --git a/.github/workflows/deploy-pusher.yml b/.github/workflows/deploy-pusher.yml
new file mode 100644
index 0000000..25b27c4
--- /dev/null
+++ b/.github/workflows/deploy-pusher.yml
@@ -0,0 +1,22 @@
+name: Deploy pusher
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-pusher-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: pusher
+      environment: ${{ inputs.environment }}
+    secrets: inherit
diff --git a/.github/workflows/deploy-worker.yml b/.github/workflows/deploy-worker.yml
new file mode 100644
index 0000000..a190cf3
--- /dev/null
+++ b/.github/workflows/deploy-worker.yml
@@ -0,0 +1,22 @@
+name: Deploy worker (particleprocessorworker)
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: "Target environment"
+        required: true
+        type: choice
+        options: [dev, prod]
+
+concurrency:
+  group: deploy-worker-${{ inputs.environment }}
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    uses: ./.github/workflows/_deploy.yml
+    with:
+      module: worker
+      environment: ${{ inputs.environment }}
+    secrets: inherit