diff --git a/.github/workflows/check-pr.yaml b/.github/workflows/check-pr.yaml
index 503bd0e..7474af2 100644
--- a/.github/workflows/check-pr.yaml
+++ b/.github/workflows/check-pr.yaml
@@ -13,7 +13,6 @@ jobs:
 
     permissions:
       contents: read
-      pull-requests: write
 
     steps:
       - name: Checkout repository
@@ -34,27 +33,3 @@ jobs:
         working-directory: backend
         run: |
           task test-container
-
-      - name: Build backend image
-        working-directory: backend
-        run: |
-          task image-build
-
-      - name: Scan backend image
-        id: scan
-        uses: ovsds/run-with-output-action@v1
-        continue-on-error: true
-        with:
-          run: task backend:image-scan
-
-      - name: Report vulnerabilities
-        uses: ovsds/create-or-update-unique-comment-action@v1
-        with:
-          issue-number: ${{ github.event.number }}
-          body: |
-            ## Vulnerabilities found
-            ```
-            ${{ steps.scan.outputs.stdout }}
-            ```
-          unique-body-includes: "## Vulnerabilities found"
-          delete: ${{ steps.scan.outputs.exit_code == 0 }}
diff --git a/.github/workflows/release-pr-cleanup.yaml b/.github/workflows/release-pr-cleanup.yaml
new file mode 100644
index 0000000..b569800
--- /dev/null
+++ b/.github/workflows/release-pr-cleanup.yaml
@@ -0,0 +1,23 @@
+name: 🧹 Release PR Cleanup
+
+on:
+  schedule:
+    - cron: 0 0 * * 0 # Every Sunday at 00:00 UTC
+  workflow_dispatch:
+
+jobs:
+  release-pr-cleanup:
+    runs-on: ubuntu-22.04
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: ovsds/package-lifecycle-action@v1
+        with:
+          package-name: ${{ github.event.repository.name }}-beta
+          expire-period-days: 7
+          untagged: true
+          retained-tagged-top: 1
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/release-pr.yaml b/.github/workflows/release-pr.yaml
new file mode 100644
index 0000000..07640ff
--- /dev/null
+++ b/.github/workflows/release-pr.yaml
@@ -0,0 +1,76 @@
+name: Release PR
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+
+jobs:
+  release-pr:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pull-requests: write
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Environment
+        uses: ./.github/actions/setup_environment
+        with:
+          with-python: "false"
+          with-poetry: "false"
+
+      - name: Get Image Data
+        id: get-image-data
+        run: |
+          echo "registry=ghcr.io/${{ github.repository_owner }}" >> $GITHUB_OUTPUT
+          echo "name=${{ github.event.repository.name }}-beta" >> $GITHUB_OUTPUT
+          echo "tag=${{ github.event.number }}-${{ github.event.pull_request.head.sha }}" >> $GITHUB_OUTPUT
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Configure Docker Builder
+        run: task configure-builder
+
+      - name: Build backend images
+        working-directory: backend
+        env:
+          IMAGE_REGISTRY: ${{ steps.get-image-data.outputs.registry }}
+          IMAGE_NAME: ${{ steps.get-image-data.outputs.name }}
+          IMAGE_TAG: ${{ steps.get-image-data.outputs.tag }}
+        run: |
+          task ci-image-push
+
+      - name: Scan backend image
+        id: scan
+        uses: ovsds/run-with-output-action@v1
+        continue-on-error: true
+        with:
+          run: |
+            task backend:ci-image-scan \
+              IMAGE_REGISTRY="${{ steps.get-image-data.outputs.registry }}" \
+              IMAGE_NAME="${{ steps.get-image-data.outputs.name }}" \
+              IMAGE_TAG="${{ steps.get-image-data.outputs.tag }}"
+
+      - name: Report vulnerabilities
+        uses: ovsds/create-or-update-unique-comment-action@v1
+        with:
+          issue-number: ${{ github.event.number }}
+          body: |
+            ## Vulnerabilities found
+            ```
+            ${{ steps.scan.outputs.stdout }}
+            ```
+          unique-body-includes: "## Vulnerabilities found"
+          delete: ${{ steps.scan.outputs.exit_code == 0 }}
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 45912d3..e493d1d 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -30,11 +30,14 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Configure Docker Builder
+        run: task configure-builder
+
       - name: Build backend images
         working-directory: backend
         env:
           IMAGE_TAG: ${{ github.event.release.tag_name }}
+          IMAGE_NAME: ${{ github.event.repository.name }}
           IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}
         run: |
-          task ci-image-build
           task ci-image-push
diff --git a/Taskfile.yaml b/Taskfile.yaml
index 6bf0d48..b12b7a9 100644
--- a/Taskfile.yaml
+++ b/Taskfile.yaml
@@ -134,3 +134,11 @@ tasks:
         services='backend'
     vars:
       TEMPLATE_PATH: '{{.TEMPLATE_PATH | default "https://github.com/ovsds/template-repository"}}'
+
+  configure-builder:
+    desc: Configure buildx for multi-arch builds
+    cmds:
+      - echo 'Configuring buildx...'
+      - docker buildx create
+        --driver docker-container
+        --use
diff --git a/backend/Dockerfile b/backend/Dockerfile
index 7f15868..9b4417a 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,24 +1,21 @@
-ARG BASE_BUILDER_IMAGE=python:3.12.7-bookworm
-ARG BASE_RUNTIME_IMAGE=python:3.12.7-slim-bookworm
-
-FROM ${BASE_BUILDER_IMAGE} AS builder
+FROM base_builder AS builder
 
 RUN python -m pip install 'poetry>=1.7.0,<1.8.0'
 
 RUN mkdir --parents /opt/app
-COPY pyproject.toml /opt/app/pyproject.toml
-COPY poetry.lock /opt/app/poetry.lock
-COPY poetry.toml /opt/app/poetry.toml
+COPY --from=sources pyproject.toml /opt/app/pyproject.toml
+COPY --from=sources poetry.lock /opt/app/poetry.lock
+COPY --from=sources poetry.toml /opt/app/poetry.toml
 
 WORKDIR /opt/app
 RUN poetry install
 
-FROM ${BASE_RUNTIME_IMAGE} AS runtime
+FROM base_runtime AS runtime
 
 RUN mkdir --parents /opt/app
 COPY --from=builder /opt/app/.venv /opt/app/.venv
-COPY bin /opt/app/bin
-COPY lib /opt/app/lib
+COPY --from=sources bin /opt/app/bin
+COPY --from=sources lib /opt/app/lib
 
 WORKDIR /opt/app
 CMD [".venv/bin/python", "-m", "bin.main"]
@@ -27,18 +24,18 @@ FROM builder AS builder_dev
 
 RUN poetry install --with dev
 
-FROM ${BASE_RUNTIME_IMAGE} AS runtime_dev
+FROM base_runtime AS runtime_dev
 
 RUN mkdir --parents /opt/app
 COPY --from=builder_dev /opt/app/.venv /opt/app/.venv
-COPY bin /opt/app/bin
-COPY lib /opt/app/lib
-COPY pyproject.toml /opt/app/pyproject.toml
+COPY --from=sources bin /opt/app/bin
+COPY --from=sources lib /opt/app/lib
+COPY --from=sources pyproject.toml /opt/app/pyproject.toml
 
 WORKDIR /opt/app
 
 FROM runtime_dev AS tests
 
-COPY tests /opt/app/tests
+COPY --from=sources tests /opt/app/tests
 
 CMD [".venv/bin/python", "-m", "pytest", "tests"]
diff --git a/backend/Taskfile.yaml b/backend/Taskfile.yaml
index 858e624..97df77a 100644
--- a/backend/Taskfile.yaml
+++ b/backend/Taskfile.yaml
@@ -114,18 +114,9 @@ tasks:
       - echo 'Running pyright fixes...'
       - task: _pyright
 
-  image-build:
-    desc: Build image target for local usage
+  bake:
     cmds:
-      - echo 'Building image {{.TARGET}} target...'
-      - docker build
-        --tag {{.IMAGE_NAME}}:{{.TARGET}}
-        {{ if .TAG }}--tag {{.TAG}}{{ end }}
-        --target {{.TARGET}}
-        --load
-        .
-    vars:
-      TARGET: '{{.TARGET | default "runtime"}}'
+      - docker buildx bake {{.COMMAND}}
 
   image-scan:
     desc: Scan image for vulnerabilities
@@ -146,8 +137,8 @@ tasks:
   test-container:
     desc: Run tests in container
     cmds:
-      - task: image-build
-        vars: { TARGET: tests }
+      - task: bake
+        vars: { COMMAND: tests_docker }
 
       - echo 'Running tests...'
       - docker run
@@ -212,11 +203,13 @@ tasks:
   dev-server-start-container:
     desc: Start development application in container
     cmds:
-      - task: image-build
-        vars: { TARGET: runtime }
+      - task: bake
+        vars: { COMMAND: runtime_docker }
 
       - echo 'Running container...'
       - docker run
+        -e GITHUB_WATCHER_SETTINGS_YAML=example/settings.yaml
+        -v $(pwd)/example:/opt/app/example
         {{.IMAGE_NAME}}:runtime
 
   update-from-template:
@@ -234,18 +227,6 @@ tasks:
     vars:
       TEMPLATE_PATH: '{{.TEMPLATE_PATH | default "https://github.com/ovsds/template-service-python"}}'
 
-  ci-image-build:
-    desc: Build image target for CI usage
-    requires:
-      vars:
-        - IMAGE_TAG
-        - IMAGE_REGISTRY
-    cmds:
-      - task: image-build
-        vars:
-          TARGET: runtime
-          TAG: "{{.IMAGE_REGISTRY}}/{{.IMAGE_NAME}}:{{.IMAGE_TAG}}"
-
   ci-image-push:
     desc: Push image to registry for CI usage
     requires:
@@ -254,7 +235,8 @@ tasks:
         - IMAGE_REGISTRY
     cmds:
       - echo 'Uploading backend image...'
-      - docker push {{.IMAGE_REGISTRY}}/{{.IMAGE_NAME}}:{{.IMAGE_TAG}}
+      - task: bake
+        vars: { COMMAND: runtime }
 
   ci-image-scan:
     desc: Scan image for vulnerabilities
diff --git a/backend/docker-bake.hcl b/backend/docker-bake.hcl
new file mode 100644
index 0000000..6fcea32
--- /dev/null
+++ b/backend/docker-bake.hcl
@@ -0,0 +1,45 @@
+variable "IMAGE_REGISTRY" {}
+variable "IMAGE_NAME" { default = "github-watcher" }
+variable "IMAGE_TAG" {}
+variable "PLATFORMS" {
+  default = [
+    "linux/amd64",
+    "linux/arm64",
+  ]
+}
+
+target "base" {
+  dockerfile = "Dockerfile"
+  contexts = {
+    "base_builder" = "docker-image://docker.io/library/python:3.12.7-bookworm"
+    "base_runtime" = "docker-image://docker.io/library/python:3.12.7-slim-bookworm"
+    "sources" = "."
+  }
+}
+
+target "runtime" {
+  inherits = ["base"]
+  target = "runtime"
+  tags = ["${IMAGE_REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}"]
+  output = ["type=image,push=true"]
+  platforms = PLATFORMS
+  attest = [
+    "type=provenance,mode=max",
+    "type=sbom",
+  ]
+}
+
+target "runtime_docker" {
+  inherits = ["base"]
+  target = "runtime"
+  output = ["type=docker"]
+  tags = ["${IMAGE_NAME}:runtime"]
+}
+
+target "tests_docker" {
+  inherits = ["base"]
+  output = ["type=docker"]
+  tags = ["${IMAGE_NAME}:tests"]
+  target = "tests"
+}
+