diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..4a6a1b9
--- /dev/null
+++ b/.env.example
@@ -0,0 +1 @@
+MAIN_PORT=8080
diff --git a/.github/workflows/BuildDev.yml b/.github/workflows/BuildDev.yml
index 2ea531c..209e937 100644
--- a/.github/workflows/BuildDev.yml
+++ b/.github/workflows/BuildDev.yml
@@ -24,19 +24,15 @@ jobs:
         id: version
         shell: bash
         run: |
-          version="$(tr -d '[:space:]' < VERSION)"
+          version="$(git rev-parse --short=12 HEAD)"
 
-          if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+([-.+][0-9A-Za-z.-]+)?$ ]]; then
-            echo "Invalid VERSION value: $version" >&2
+          if [[ ! "$version" =~ ^[0-9a-f]{12}$ ]]; then
+            echo "Invalid git hash version: $version" >&2
             exit 1
           fi
 
-          docker_tag="${version//+/-}"
-          short_sha="${GITHUB_SHA::7}"
-
           echo "value=$version" >> "$GITHUB_OUTPUT"
-          echo "docker_tag=$docker_tag" >> "$GITHUB_OUTPUT"
-          echo "dev_tag=${docker_tag}-dev.${short_sha}" >> "$GITHUB_OUTPUT"
+          echo "docker_tag=$version" >> "$GITHUB_OUTPUT"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -59,7 +55,6 @@ jobs:
             VCS_REF=${{ github.sha }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:dev
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.dev_tag }}
           labels: |
             org.opencontainers.image.version=${{ steps.version.outputs.value }}
             org.opencontainers.image.revision=${{ github.sha }}
diff --git a/.github/workflows/BuildLatest.yml b/.github/workflows/BuildLatest.yml
index 24b7d80..94cf8df 100644
--- a/.github/workflows/BuildLatest.yml
+++ b/.github/workflows/BuildLatest.yml
@@ -29,18 +29,16 @@ jobs:
         id: version
         shell: bash
         run: |
-          version="$(tr -d '[:space:]' < VERSION)"
+          version="$(git rev-parse --short=12 HEAD)"
 
-          if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+([-.+][0-9A-Za-z.-]+)?$ ]]; then
-            echo "Invalid VERSION value: $version" >&2
+          if [[ ! "$version" =~ ^[0-9a-f]{12}$ ]]; then
+            echo "Invalid git hash version: $version" >&2
             exit 1
           fi
 
-          docker_tag="${version//+/-}"
-
           echo "value=$version" >> "$GITHUB_OUTPUT"
-          echo "docker_tag=$docker_tag" >> "$GITHUB_OUTPUT"
-          echo "release_tag=v$docker_tag" >> "$GITHUB_OUTPUT"
+          echo "docker_tag=$version" >> "$GITHUB_OUTPUT"
+          echo "release_tag=v$version" >> "$GITHUB_OUTPUT"
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a1f2916
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,35 @@
+# OS files
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# IDE files
+.idea/
+.vscode/
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Environment files
+.env
+.env.*
+!.env.example
+
+# Dependencies and build output
+node_modules/
+dist/
+build/
+coverage/
+
+# Docker/local runtime artifacts
+*.pid
+*.seed
+*.pid.lock
+
+# Temporary files
+tmp/
+temp/
+.cache/
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..30cf57e
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/VERSION b/VERSION
deleted file mode 100644
index 3eefcb9..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-1.0.0
diff --git a/docker-compose.yml b/docker-compose.yml
index eba2772..258eac4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,14 +1,15 @@
 services:
   portfolio:
-    image: docker.lechner-systems.at/lechnersystems/maintenance:${IMAGE_TAG}
+    image: docker.lechner-systems.at/lechnersystems/maintenance:${IMAGE_TAG:-latest}
     build:
       context: .
       dockerfile: Dockerfile
     restart: unless-stopped
     env_file:
-      - .env
+      - path: .env
+        required: false
     dns:
       - 192.168.100.2
       - 192.168.100.6
     ports:
-      - ${MAIN_PORT}:80
+      - "${MAIN_PORT:-8080}:80"
diff --git a/index.html b/index.html
index f818409..1298d48 100644
--- a/index.html
+++ b/index.html
@@ -24,6 +24,9 @@
         <a href="tel:+436609254001">+43 660 9254001</a>
       </div>
     </div>
+    <footer class="site-footer">
+      Lechner-Systems &copy; <a href="https://fraujulian.xyz/imprint">Impressum</a>
+    </footer>
     <script src="script.js"></script>
   </body>
 </html>
diff --git a/style.css b/style.css
index 8d46065..facae7e 100644
--- a/style.css
+++ b/style.css
@@ -10,6 +10,9 @@ body {
   padding: 96px 24px;
   font: 20px Helvetica, sans-serif;
   color: #fff;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
 }
 
 h1 {
@@ -59,6 +62,13 @@ a:focus {
   text-decoration: none;
 }
 
+.site-footer {
+  margin-top: auto;
+  padding-top: 48px;
+  font-size: 16px;
+  text-align: center;
+}
+
 @-moz-keyframes spin {
   100% {
     -moz-transform: rotate(360deg);