diff --git a/.github/workflows/502-docker-build-push-coder-minimal.yml b/.github/workflows/502-docker-build-push-coder-minimal.yml
new file mode 100644
index 0000000..0e99ea7
--- /dev/null
+++ b/.github/workflows/502-docker-build-push-coder-minimal.yml
@@ -0,0 +1,42 @@
+name: build-push-coder-minimal
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - "docker/coder/minimal.Dockerfile"
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: tuana9a
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: docker/coder
+          file: docker/coder/minimal.Dockerfile
+          push: true
+          tags: tuana9a/coder:minimal
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Send Telegram message
+        env:
+          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          TELEGRAM_CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
+        run: |
+          MESSAGE="OK build tuana9a/coder:minimal"
+          curl -s -X POST https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage -d chat_id=${TELEGRAM_CHAT_ID} -d text="${MESSAGE}"
diff --git a/docker/coder/base.Dockerfile b/docker/coder/base.Dockerfile
index 282d999..44419d9 100644
--- a/docker/coder/base.Dockerfile
+++ b/docker/coder/base.Dockerfile
@@ -1,4 +1,4 @@
-FROM codercom/enterprise-base:ubuntu
+FROM codercom/enterprise-base:ubuntu-20240909
 
 USER coder
 
diff --git a/docker/coder/minimal.Dockerfile b/docker/coder/minimal.Dockerfile
new file mode 100644
index 0000000..b80717e
--- /dev/null
+++ b/docker/coder/minimal.Dockerfile
@@ -0,0 +1,5 @@
+FROM codercom/enterprise-minimal:ubuntu-20240909
+
+USER coder
+
+RUN sudo apt update -y && sudo apt install -y tmux direnv jq dnsutils net-tools iputils-ping telnet zsh && sudo usermod -s /bin/zsh coder