diff --git a/.gitea/workflows/build-installer-iso.yml b/.gitea/workflows/build-installer-iso.yml
new file mode 100644
index 0000000..ff1e5ed
--- /dev/null
+++ b/.gitea/workflows/build-installer-iso.yml
@@ -0,0 +1,81 @@
+name: Build Installer ISO
+
+on:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+env:
+  IMAGE_REGISTRY: "ghcr.io/${{ github.repository_owner }}"
+  IMAGE_NAME: "${{ github.event.repository.name }}"
+
+jobs:
+  build-iso:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: read
+
+    steps:
+      - name: Prepare environment
+        run: |
+          echo "IMAGE_REGISTRY=${IMAGE_REGISTRY,,}" >> ${GITHUB_ENV}
+          echo "IMAGE_NAME=${IMAGE_NAME,,}" >> ${GITHUB_ENV}
+
+      - name: Determine image tag
+        run: |
+          BRANCH="${GITHUB_REF_NAME}"
+          if [[ "$BRANCH" == "main" ]]; then
+            echo "IMAGE_TAG=stable" >> ${GITHUB_ENV}
+          else
+            SANITIZED=$(echo "$BRANCH" | sed 's/[^a-zA-Z0-9._-]/-/g' | head -c 50)
+            echo "IMAGE_TAG=test-${SANITIZED}" >> ${GITHUB_ENV}
+          fi
+          echo "Building from tag: ${IMAGE_TAG}"
+
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /opt/hostedtoolcache
+          sudo docker image prune -af
+          df -h
+
+      - name: Prepare output directory
+        run: mkdir -p output
+
+      - name: Login to GHCR
+        run: |
+          echo "${{ secrets.GITHUB_TOKEN }}" | sudo podman login ghcr.io \
+            -u ${{ github.actor }} --password-stdin
+
+      - name: Pull base image
+        run: |
+          sudo podman pull ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
+
+      - name: Build ISO
+        run: |
+          sudo podman run --rm --privileged \
+            -v ${{ github.workspace }}/iso/config.toml:/config.toml:ro \
+            -v ${{ github.workspace }}/output:/output \
+            -v /var/lib/containers/storage:/var/lib/containers/storage \
+            ghcr.io/osbuild/bootc-image-builder:latest \
+            --type anaconda-iso \
+            --rootfs btrfs \
+            --config /config.toml \
+            --output /output/ \
+            ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
+
+      - name: Upload ISO artifact
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
+        with:
+          name: installer-iso
+          # Wir suchen rekursiv nach jeder .iso Datei im output Ordner
+          path: output/**/*.iso
+          if-no-files-found: error
diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
index 0000000..96349ca
--- /dev/null
+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,161 @@
+name: Build container image
+
+on:
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron: '05 12 * * 2,5'   
+  workflow_dispatch:
+
+env:
+  IMAGE_DESC: "Custom Fedora bootc image"
+  IMAGE_NAME: "${{ github.event.repository.name }}"
+  IMAGE_REGISTRY: "humocs-man.duckdns.org/${{ github.repository_owner }}"
+  DEFAULT_TAG: "stable"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build_push:
+    name: Build and push image
+    runs-on: ubuntu-24.04
+
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
+    steps:
+      - name: Prepare environment
+        run: |
+          echo "IMAGE_REGISTRY=${IMAGE_REGISTRY,,}" >> ${GITHUB_ENV}
+          echo "IMAGE_NAME=${IMAGE_NAME,,}" >> ${GITHUB_ENV}
+
+      - name: Determine image tag
+        run: |
+          BRANCH="${GITHUB_REF_NAME}"
+          if [[ "$BRANCH" == "main" ]]; then
+            echo "IMAGE_TAG=${DEFAULT_TAG}" >> ${GITHUB_ENV}
+            echo "IS_TEST_BUILD=false" >> ${GITHUB_ENV}
+          else
+            SANITIZED=$(echo "$BRANCH" | sed 's/[^a-zA-Z0-9._-]/-/g' | head -c 50)
+            echo "IMAGE_TAG=test-${SANITIZED}" >> ${GITHUB_ENV}
+            echo "IS_TEST_BUILD=true" >> ${GITHUB_ENV}
+          fi
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Mount BTRFS for podman storage
+        id: container-storage-action
+        uses: ublue-os/container-storage-action@main
+        with:
+          target-dir: /var/lib/containers
+          mount-opts: compress-force=zstd:2
+
+      - name: Image Metadata
+        uses: docker/metadata-action@v5
+        id: metadata
+        with:
+          tags: |
+            type=raw,value=${{ env.IMAGE_TAG }}
+            type=raw,value=${{ env.IMAGE_TAG }}.{{date 'YYYYMMDD'}},enable=${{ env.IS_TEST_BUILD == 'false' }}
+            type=raw,value={{date 'YYYYMMDD'}},enable=${{ env.IS_TEST_BUILD == 'false' }}
+            type=sha,enable=${{ github.event_name == 'pull_request' }}
+            type=ref,event=pr
+          labels: |
+            org.opencontainers.image.created={{date 'YYYY-MM-DDTHH:mm:ssZ'}}
+            org.opencontainers.image.description=${{ env.IMAGE_DESC }}
+            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
+            org.opencontainers.image.vendor=${{ github.repository_owner }}
+            org.opencontainers.image.version=${{ env.IMAGE_TAG }}.{{date 'YYYYMMDD'}}
+            containers.bootc=1
+            ostree.bootable=1
+          sep-tags: " "
+          sep-annotations: " "
+
+      - name: Cache buildah layers
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/buildah
+            /tmp/.buildah-cache
+          key: ${{ runner.os }}-${{ github.workflow }}-${{ hashFiles('Containerfile', 'build/**', 'configs/**', 'scripts/**') }}-${{ github.ref }}
+          restore-keys: |
+            ${{ runner.os }}-${{ github.workflow }}-${{ hashFiles('Containerfile', 'build/**', 'configs/**', 'scripts/**') }}-
+            ${{ runner.os }}-${{ github.workflow }}-
+
+      - name: Build Image
+        id: build_image
+        uses: redhat-actions/buildah-build@v2
+        with:
+          containerfiles: |
+            ./Containerfile
+          image: ${{ env.IMAGE_NAME }}
+          tags: ${{ env.IMAGE_TAG }}
+          labels: ${{ steps.metadata.outputs.labels }}
+          oci: true
+
+      - name: Rechunk with chunkah
+        run: |
+          set -euo pipefail
+
+          IMG="localhost/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}"
+          CHUNKED_IMG="localhost/${{ env.IMAGE_NAME }}-chunked:${{ env.IMAGE_TAG }}"
+
+          CONFIG=$(buildah inspect "$IMG" | jq -c .)
+          sudo rm -rf /tmp/.buildah-cache/* 2>/dev/null || true
+
+          CHUNKAH_CF=$(mktemp)
+          curl -sL https://github.com/coreos/chunkah/releases/download/v0.5.0/Containerfile.splitter -o "$CHUNKAH_CF"
+
+          buildah build --skip-unused-stages=false \
+            -f "$CHUNKAH_CF" \
+            --from "$IMG" \
+            --build-arg CHUNKAH_CONFIG_STR="$CONFIG" \
+            --build-arg "CHUNKAH_ARGS=--prune /sysroot/ --max-layers 128 --compressed --label ostree.commit- --label ostree.final-diffid- --label ostree.bootable=true --label containers.bootc=1" \
+            -t "$CHUNKED_IMG" \
+            .
+
+          rm -f "$CHUNKAH_CF" out.ociarchive
+          buildah rmi "$IMG"
+
+          for full_tag in ${{ steps.metadata.outputs.tags }}; do
+            tag_only="${full_tag##*:}"
+            buildah tag "$CHUNKED_IMG" "localhost/${{ env.IMAGE_NAME }}:${tag_only}"
+          done
+          buildah rmi "$CHUNKED_IMG"
+
+      - name: Login to Gitea Container Registry
+        uses: docker/login-action@v3
+        if: github.event_name != 'pull_request'
+        with:
+          registry: humocs-man.duckdns.org
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push to Gitea Registry
+        id: push
+        if: github.event_name != 'pull_request'
+        uses: redhat-actions/push-to-registry@v2
+        with:
+          image: ${{ env.IMAGE_NAME }}
+          tags: ${{ steps.metadata.outputs.tags }}
+          registry: ${{ env.IMAGE_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@v3
+        if: github.event_name != 'pull_request'
+
+      - name: Sign container image
+        if: github.event_name != 'pull_request' && env.IS_TEST_BUILD == 'false'
+        run: |
+          cosign sign -y --tlog-upload=false --key env://COSIGN_PRIVATE_KEY "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.push.outputs.digest }}"
+        env:
+          COSIGN_EXPERIMENTAL: false
+          COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
diff --git a/.gitea/workflows/clean.yml b/.gitea/workflows/clean.yml
new file mode 100644
index 0000000..e1eb5d5
--- /dev/null
+++ b/.gitea/workflows/clean.yml
@@ -0,0 +1,27 @@
+name: Cleanup Old Images
+on:
+  schedule:
+    - cron: "0 0 * * 0" # Weekly on Sunday at midnight UTC
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+
+jobs:
+  delete-older-than-90:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: Delete Images Older Than 90 Days
+        uses: dataaxiom/ghcr-cleanup-action@f092b48ba3b604b2a83690dc4b2bbb3392e1045f # v1.2.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          # IMPORTANT: Update this to match your image name from Containerfile (line 9)
+          # This should match the "# Name: your-repo-name" comment in your Containerfile
+          # Example: If your Containerfile has "# Name: my-custom-os", use "my-custom-os" here
+          packages: fluffy-pancake
+          older-than: 45 days
+          delete-orphaned-images: true
+          keep-n-tagged: 5
+          keep-n-untagged: 5
diff --git a/.gitea/workflows/renovate.yml b/.gitea/workflows/renovate.yml
new file mode 100644
index 0000000..7af7a8a
--- /dev/null
+++ b/.gitea/workflows/renovate.yml
@@ -0,0 +1,31 @@
+name: Renovate
+on:
+  schedule:
+    # Run every 6 hours
+    - cron: '0 */6 * * *'
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - '.github/renovate.json5'
+      - '.github/workflows/renovate.yml'
+
+jobs:
+  renovate:
+    name: Run Renovate
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v5
+
+      - name: Self-hosted Renovate
+        uses: renovatebot/github-action@693b9ef15eec82123529a37c782242f091365961 # v46.1.14
+        with:
+          configurationFile: .github/renovate.json5
+          token: ${{ secrets.GITHUB_TOKEN }}
+        env:
+          LOG_LEVEL: 'debug'
diff --git a/.gitea/workflows/validate-renovate.yml b/.gitea/workflows/validate-renovate.yml
new file mode 100644
index 0000000..cf6e3e4
--- /dev/null
+++ b/.gitea/workflows/validate-renovate.yml
@@ -0,0 +1,35 @@
+name: Validate Renovate Config
+
+on:
+  pull_request:
+    paths:
+      - ".github/renovate.json5"
+      - ".github/workflows/renovate.yml"
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/renovate.json5"
+      - ".github/workflows/renovate.yml"
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v5
+
+      - name: Setup Node.js
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
+        with:
+          node-version: latest
+
+      - name: Install dependencies
+        shell: bash
+        env:
+          RENOVATE_VERSION: latest
+        run: npm install -g renovate@${RENOVATE_VERSION}
+
+      - name: Validate Renovate config
+        shell: bash
+        run: renovate-config-validator --strict