diff --git a/.github/stale.yml b/.github/stale.yml
new file mode 100644
index 00000000..e33e9247
--- /dev/null
+++ b/.github/stale.yml
@@ -0,0 +1,46 @@
+# Configuration for probot-stale - https://github.com/probot/stale
+
+# General configuration
+# Label to use when marking as stale
+staleLabel: stale
+
+# Pull request specific configuration
+pulls:
+  # Number of days of inactivity before an Issue or Pull Request becomes stale
+  daysUntilStale: 7
+  # Number of days of inactivity before a stale Issue or Pull Request is closed.
+  # Set to false to disable. If disabled, issues still need to be closed manually, but will remain marked as stale.
+  daysUntilClose: 7
+  # Comment to post when marking as stale. Set to `false` to disable
+  markComment: >
+    This pull request has been automatically marked as stale because it has not had
+    activity in the last 7 days. It will be closed in 7 days if no further activity occurs. Please
+    feel free to give a status update now, ping for review, or re-open when it's ready.
+    Thank you for your contributions!
+  # Comment to post when closing a stale Issue or Pull Request.
+  closeComment: >
+     This pull request has been automatically closed because it has not had
+     activity in the last 14 days. Please feel free to give a status update now, ping for review, or re-open when it's ready.
+     Thank you for your contributions!
+  # Limit the number of actions per hour, from 1-30. Default is 30
+  limitPerRun: 1
+  exemptLabels:
+    - no stalebot
+
+# Issue specific configuration
+issues:
+  # TODO: Consider increasing the limitPerRun once we are satisfied with the bot's performance
+  limitPerRun: 1
+  daysUntilStale: 30
+  daysUntilClose: 7
+  markComment: >
+    This issue has been automatically marked as stale because it has not had activity in the
+    last 30 days. It will be closed in the next 7 days unless it is tagged "help wanted" or other activity
+    occurs. Thank you for your contributions.
+  closeComment: >
+    This issue has been automatically closed because it has not had activity in the
+    last 37 days. If this issue is still valid, please ping a maintainer and ask them to label it as "help wanted".
+    Thank you for your contributions.
+  exemptLabels:
+    - help wanted
+    - no stalebot
diff --git a/.github/workflows/master.yaml b/.github/workflows/master.yaml
new file mode 100644
index 00000000..c05970a6
--- /dev/null
+++ b/.github/workflows/master.yaml
@@ -0,0 +1,27 @@
+name: Build and push :master image
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: check format
+        run: make check_format
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: build and push docker image
+        run: |
+          echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+          VERSION=master make docker_push     # Push image tagged with "master"
+          make docker_push                    # Push image tagged with git sha
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
\ No newline at end of file
diff --git a/src/server/server.go b/src/server/server.go
index 7f2b1b05..f35e82e6 100644
--- a/src/server/server.go
+++ b/src/server/server.go
@@ -1,6 +1,7 @@
 package server
 
 import (
+	pb "github.com/envoyproxy/go-control-plane/envoy/service/ratelimit/v3"
 	"net/http"
 
 	pb "github.com/envoyproxy/go-control-plane/envoy/service/ratelimit/v3"