diff --git a/.github/workflows/build-docker-container.yml b/.github/workflows/build-docker-container.yml
index 1d306db..52f4967 100644
--- a/.github/workflows/build-docker-container.yml
+++ b/.github/workflows/build-docker-container.yml
@@ -1,8 +1,8 @@
-name: ci
+name: docker-build
 
 on:
-  push:
-    branches: ["binary-release", "master", "devel"]
+  release:
+    types: [published]
 
 jobs:
   docker:
@@ -20,3 +20,5 @@ jobs:
         with:
           push: true
           tags: hilkopterbob/packagelock:latest
+          build-args: |
+            APP_VERSION=${{ github.event.release.tag_name }}
diff --git a/.github/workflows/unstable-build-docker-container.yml b/.github/workflows/unstable-build-docker-container.yml
new file mode 100644
index 0000000..368beb2
--- /dev/null
+++ b/.github/workflows/unstable-build-docker-container.yml
@@ -0,0 +1,21 @@
+name: unstable-docker-build
+
+on:
+  push:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: hilkopterbob/packagelock:unstable-${{ github.head_ref || github.ref_name }}
diff --git a/Dockerfile b/Dockerfile
index 0fbe7c2..a725d4b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,8 +16,9 @@ RUN go mod download
 
 
 # Build
-
-RUN CGO_ENABLED=0 GOOS=linux go build -o /packagelock
+ARG APP_VERSION="v0.1.0+hotfixes"
+RUN \
+  CGO_ENABLED=0 GOOS=linux go build -ldflags "-X 'main.AppVersion=$APP_VERSION'" -o /packagelock
 
 # Optional:
 # To bind to a TCP port, runtime parameters must be supplied to the docker command.
diff --git a/config/conf-init.go b/config/conf-init.go
index a521c19..a18ee5c 100644
--- a/config/conf-init.go
+++ b/config/conf-init.go
@@ -20,6 +20,7 @@ type ConfigProvider interface {
 	ReadConfig(in io.Reader) error
 	AllSettings() map[string]any
 	GetString(string string) string
+	SetDefault(key string, value any)
 }
 
 // TODO: How to test?
diff --git a/main.go b/main.go
index 419126f..279ad9a 100644
--- a/main.go
+++ b/main.go
@@ -15,12 +15,20 @@ import (
 	"github.com/spf13/viper"
 )
 
-// Data structs
+// Linker Injections
+// Version injection with Docker Build & ldflags
+// Do not modify, init or change in code!
+var AppVersion string
 
 // TODO: support for multiple network adapters.
 
 func main() {
 	Config := config.StartViper(viper.New())
+
+	if AppVersion != "" {
+		Config.SetDefault("general.app-version", AppVersion)
+	}
+
 	fmt.Println(Config.AllSettings())
 
 	// Channel to signal the restart