docs, rewrite docker image

.github/workflows/docker_rewrite.yml

@@ -0,0 +1,81 @@
+name: docker
+
+on:
+  push:
+    branches:
+      - rewrite
+    tags:
+      - '*.*.*'
+  pull_request:
+    branches:
+      - rewrite
+
+jobs: 
+  docker_dev:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    permissions:
+      contents: read
+      packages: write
+    if: >
+      contains(github.event.head_commit.message, 'PUSHPROD') != 'True' &&
+      github.repository == 'jokob-sk/NetAlertX'  
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Set up dynamic build ARGs
+        id: getargs        
+        run: echo "version=$(cat ./stable/VERSION)" >> $GITHUB_OUTPUT
+
+      - name: Get release version
+        id: get_version
+        run: echo "version=Dev" >> $GITHUB_OUTPUT
+
+      - name: Create .VERSION file
+        run: echo "${{ steps.get_version.outputs.version }}" >> .VERSION
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ghcr.io/jokob-sk/netalertx-dev-rewrite
+            jokobsk/netalertx-dev-rewrite
+          tags: |
+            type=raw,value=latest
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
+      - name: Log in to Github Container Registry (GHCR)
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: jokob-sk
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log in to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

docs/DEVICE_HEURISTICS.md

@@ -53,6 +53,9 @@ The function `guess_device_attributes(...)` runs a series of matching functions
 4. IP pattern → `match_ip()`
 5. Final fallback → defaults defined in the `NEWDEV_devIcon` and `NEWDEV_devType` settings.
 
+> [!NOTE]
+> The app will try guessing the device type or icon if `devType` or `devIcon` are `""` or `"null"`.
+
 ### Use of default values
 
 The guessing process runs for every device **as long as the current type or icon still matches the default values**. Even if earlier heuristics return a match, the system continues evaluating additional clues — like name or IP — to try and replace placeholders.