diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 7a12554..fbdd82f 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -26,42 +26,61 @@ jobs:
       - name: Log in to registry
         run: echo "${{ secrets.CI_TOKEN }}" | docker login gitea.gitea.svc.cluster.local:3000 -u chemavx --password-stdin
 
+      - name: Create buildx builder
+        run: |
+          cat > /tmp/buildkitd.toml << 'EOF'
+          [registry."registry-cache.registry-cache.svc.cluster.local:5000"]
+            http = true
+            insecure = true
+
+          [registry."gitea.gitea.svc.cluster.local:3000"]
+            http = true
+            insecure = true
+
+          [registry."docker.io"]
+            mirrors = ["registry-cache.registry-cache.svc.cluster.local:5000"]
+          EOF
+          docker buildx create \
+            --name ci-builder \
+            --driver docker-container \
+            --driver-opt network=host \
+            --config /tmp/buildkitd.toml \
+            --use
+          docker buildx inspect --bootstrap
+
       - name: Build and push bot image
         run: |
           TAG=${{ steps.tag.outputs.TAG }}
-          docker build \
-            --build-arg BUILDKIT_INLINE_CACHE=1 \
-            --cache-from gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:buildcache \
+          docker buildx build \
+            --builder ci-builder \
+            --cache-from type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:buildcache \
+            --cache-to type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:buildcache,mode=max \
             -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:${TAG} \
-            -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:buildcache \
+            --push \
             -f Dockerfile .
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:${TAG}
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot:buildcache
 
       - name: Build and push API image
         run: |
           TAG=${{ steps.tag.outputs.TAG }}
-          docker build \
-            --build-arg BUILDKIT_INLINE_CACHE=1 \
-            --cache-from gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:buildcache \
+          docker buildx build \
+            --builder ci-builder \
+            --cache-from type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:buildcache \
+            --cache-to type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:buildcache,mode=max \
             -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:${TAG} \
-            -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:buildcache \
+            --push \
             -f Dockerfile.api .
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:${TAG}
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-api:buildcache
 
       - name: Build and push dashboard image
         run: |
           TAG=${{ steps.tag.outputs.TAG }}
-          docker build \
-            --build-arg BUILDKIT_INLINE_CACHE=1 \
-            --cache-from gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:buildcache \
+          docker buildx build \
+            --builder ci-builder \
+            --cache-from type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:buildcache \
+            --cache-to type=registry,ref=gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:buildcache,mode=max \
             -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:${TAG} \
-            -t gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:buildcache \
+            --push \
             -f dashboard/Dockerfile \
             dashboard
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:${TAG}
-          docker push gitea.gitea.svc.cluster.local:3000/chemavx/polymarket-bot-dashboard:buildcache
 
       - name: Update k8s manifests
         run: |