diff --git a/.github/workflows/build-pr.yml b/.github/workflows/build-pr.yml
index 35bc2665..33c224dd 100644
--- a/.github/workflows/build-pr.yml
+++ b/.github/workflows/build-pr.yml
@@ -24,16 +24,13 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # Python setup and testing
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v4
-        with:
-          version: "latest"
+        run: pip install uv
 
       - name: Install Python dependencies
         run: uv sync
@@ -44,7 +41,6 @@ jobs:
       - name: Run Python tests
         run: uv run pytest app/tests/ -v --tb=short
 
-      # Frontend setup and testing
       - name: Install pnpm
         uses: pnpm/action-setup@v4
         with:
@@ -85,10 +81,6 @@ jobs:
         working-directory: ui
         run: pnpm run generate
 
-      # Quick Docker build validation (no push, cache only)
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Validate Docker build
         uses: docker/build-push-action@v5
         with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cf472c6c..c9221622 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,6 +22,7 @@ on:
       - ".github/ISSUE_TEMPLATE/**"
 
 env:
+  REGISTRY: ${{ vars.REGISTRY != '' && vars.REGISTRY || '' }}
   DOCKERHUB_SLUG: arabcoders/ytptube
   GHCR_SLUG: ghcr.io/arabcoders/ytptube
   PNPM_VERSION: 10
@@ -40,18 +41,13 @@ jobs:
         with:
           fetch-depth: 0
 
-      # Python setup and testing
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v6.7
-        with:
-          enable-cache: true
-          save-cache: true
-          version: "latest"
+        run: pip install uv
 
       - name: Install Python dependencies
         run: uv sync
@@ -62,7 +58,6 @@ jobs:
       - name: Run Python tests
         run: uv run pytest app/tests/ -v --tb=short
 
-      # Frontend setup and testing
       - name: Install pnpm
         uses: pnpm/action-setup@v4
         with:
@@ -138,6 +133,7 @@ jobs:
       packages: write
       contents: write
     env:
+      SLUG: ${{ format('{0}/{1}', env.REGISTRY, github.repository) }}
       ARCH: ${{ matrix.arch }}
     steps:
       - name: Checkout
@@ -178,8 +174,9 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: |
-            ${{ env.DOCKERHUB_SLUG }}
-            ${{ env.GHCR_SLUG }}
+            name=${{ env.DOCKERHUB_SLUG }},enable=${{ env.REGISTRY == '' }}
+            name=${{ env.GHCR_SLUG }},enable=${{ env.REGISTRY == '' }}
+            name=${{ env.REGISTRY }}/${{ github.repository }},enable=${{ env.REGISTRY != '' }}
           flavor: |
             latest=false
             suffix=-${{ env.ARCH }}
@@ -188,8 +185,17 @@ jobs:
             type=ref,event=tag
             type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
 
+      - name: Login to Private Registry
+        uses: docker/login-action@v3
+        if: env.REGISTRY != ''
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GIT_TOKEN && secrets.GIT_TOKEN || secrets.GITHUB_TOKEN }}
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
+        if: env.REGISTRY == ''
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -197,6 +203,7 @@ jobs:
 
       - name: Login to DockerHub
         uses: docker/login-action@v3
+        if: env.REGISTRY == ''
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -212,13 +219,9 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: |
-            type=gha,scope=${{ github.workflow }}
-            type=registry,ref=ghcr.io/arabcoders/ytptube:buildcache
-          cache-to: |
-            type=gha,mode=max,scope=${{ github.workflow }}
-            type=registry,ref=ghcr.io/arabcoders/ytptube:buildcache,mode=max
-          provenance: false
+          cache-to: type=gha,mode=max,scope=${{ github.workflow }}
+          cache-from: type=gha,scope=${{ github.workflow }}
+          provenance: true
 
   docker-publish-manifest:
     name: Publish multi-arch manifest
@@ -233,8 +236,9 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: |
-            ${{ env.DOCKERHUB_SLUG }}
-            ${{ env.GHCR_SLUG }}
+            name=${{ env.DOCKERHUB_SLUG }},enable=${{ env.REGISTRY == '' }}
+            name=${{ env.GHCR_SLUG }},enable=${{ env.REGISTRY == '' }}
+            name=${{ env.REGISTRY }}/${{ github.repository }},enable=${{ env.REGISTRY != '' }}
           flavor: |
             latest=false
           tags: |
@@ -242,8 +246,17 @@ jobs:
             type=ref,event=tag
             type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
 
+      - name: Login to Private Registry
+        uses: docker/login-action@v3
+        if: env.REGISTRY != ''
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GIT_TOKEN && secrets.GIT_TOKEN || secrets.GITHUB_TOKEN }}
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
+        if: env.REGISTRY == ''
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -251,6 +264,7 @@ jobs:
 
       - name: Login to DockerHub
         uses: docker/login-action@v3
+        if: env.REGISTRY == ''
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -268,7 +282,7 @@ jobs:
           done
 
       - name: Overwrite GitHub release notes
-        if: startsWith(github.ref, 'refs/tags/v')
+        if: startsWith(github.ref, 'refs/tags/v') && env.REGISTRY == ''
         uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -322,6 +336,7 @@ jobs:
     steps:
       - name: Sync README
         uses: docker://lsiodev/readme-sync:latest
+        if: env.REGISTRY == ''
         env:
           DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
           DOCKERHUB_PASSWORD: ${{ secrets.DOCKERHUB_TOKEN }}
diff --git a/.github/workflows/native-build.yml b/.github/workflows/native-build.yml
index d630119b..e7723e65 100644
--- a/.github/workflows/native-build.yml
+++ b/.github/workflows/native-build.yml
@@ -14,8 +14,12 @@ on:
     tags:
       - "v*"
 
+env:
+  REGISTRY: ${{ vars.REGISTRY != '' && vars.REGISTRY || '' }}
+
 jobs:
   build:
+    if: env.REGISTRY == ''
     runs-on: ${{ matrix.os }}
     strategy:
       matrix: