diff --git a/.github/workflows/docker-image-dev.yml b/.github/workflows/docker-image-dev.yml
new file mode 100644
index 0000000..a02fc07
--- /dev/null
+++ b/.github/workflows/docker-image-dev.yml
@@ -0,0 +1,41 @@
+name: Build container image - dev
+on:
+  push:
+    branches:
+      - 'dev'
+    tags:
+      - '*'
+  pull_request:
+    paths:
+      - .github/workflows/docker-image-dev.yml
+      - Dockerfile
+jobs:
+  build-image:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: docker/setup-qemu-action@v1
+      - uses: docker/setup-buildx-action@v1
+      - uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+        if: github.event_name != 'pull_request'
+      - uses: docker/metadata-action@v3
+        id: meta
+        with:
+          images: techfever/check_oracle_bot_dev
+          flavor: |
+            latest=auto
+          tags: |
+            type=edge,branch=main
+            type=match,pattern=v(.*),group=0
+            type=ref,event=pr
+      - uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm,linux/386,linux/s390x
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=registry,ref=techfever/check_oracle_bot_dev:latest
+          cache-to: type=inline
diff --git a/README.md b/README.md
index 20be1d7..244f21d 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ apt install gcc python3-pip -y
 
 ```shell
 mkdir -p /opt/bot/data/ && cd /opt/bot/
-git clone https://github.com/tech-fever/check_oracle_bot.git
+git clone https://github.com/tech-fever/check_oracle_bot.git ./
 pip install -r requirements.txt
 cp conf.ini.example conf.ini
 ```