diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
new file mode 100644
index 000000000..2a2654238
--- /dev/null
+++ b/.github/workflows/build-images.yml
@@ -0,0 +1,70 @@
+name: Build & push CRM images
+
+on:
+  push:
+    branches: [release]
+    paths:
+      - "apps/**"
+      - "packages/**"
+      - "package.json"
+      - "bun.lock"
+      - "turbo.json"
+      - ".github/workflows/build-images.yml"
+  workflow_dispatch: {}
+
+concurrency:
+  group: build-images-${{ github.ref }}
+  cancel-in-progress: false
+
+permissions:
+  contents: read
+  packages: write
+
+env:
+  REGISTRY: ghcr.io
+  # Domaine unique fige au build pour apps/app -- Next.js grave API_URL/
+  # APP_URL dans le bundle client compile, pas au runtime (piege deja
+  # rencontre en prod le 29/08/2026, cf. docker-compose.yml sur vigiep1).
+  CRM_ORIGIN: https://crm.vigieproc.fr
+
+jobs:
+  build-push:
+    name: build-push (${{ matrix.service }})
+    runs-on: ubuntu-24.04
+    timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        service: [api, app, agent]
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: docker/setup-buildx-action@v3
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: ${{ env.REGISTRY }}/${{ github.repository }}-${{ matrix.service }}
+          tags: |
+            type=raw,value=latest
+            type=sha,format=short
+
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: apps/${{ matrix.service }}/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            API_URL=${{ env.CRM_ORIGIN }}
+            APP_URL=${{ env.CRM_ORIGIN }}
+          cache-from: type=gha,scope=${{ matrix.service }}
+          cache-to: type=gha,mode=max,scope=${{ matrix.service }}