diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index c368456..8e88f82 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -27,14 +27,23 @@ jobs:
   ansible-validation:
     runs-on: ubuntu-latest
     container:
-      image: python:3.11-slim
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
-      - name: Install Ansible and linting tools
+      - name: Install Python and dependencies
         run: |
-          pip install --no-cache-dir ansible ansible-lint yamllint
+          apt-get update && apt-get install -y python3 python3-pip
+
+      - name: Install Ansible and linting tools
+        run: pip3 install --no-cache-dir ansible ansible-lint yamllint
 
       - name: Validate YAML syntax
         run: |
@@ -50,13 +59,28 @@ jobs:
   secret-scanning:
     runs-on: ubuntu-latest
     container:
-      image: gitleaks/gitleaks:latest
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
+      - name: Install Gitleaks
+        run: |
+          apt-get update && apt-get install -y wget curl
+          GITLEAKS_VERSION=$(curl -s https://api.github.com/repos/gitleaks/gitleaks/releases/latest | grep tag_name | cut -d '"' -f 4 | sed 's/v//')
+          wget -q "https://github.com/gitleaks/gitleaks/releases/download/v${GITLEAKS_VERSION}/gitleaks_${GITLEAKS_VERSION}_linux_x64.tar.gz" -O /tmp/gitleaks.tar.gz
+          tar -xzf /tmp/gitleaks.tar.gz -C /usr/local/bin/ gitleaks
+          chmod +x /usr/local/bin/gitleaks
+          gitleaks version
+
       - name: Run Gitleaks secret scan
         run: |
           gitleaks detect --source . --verbose --no-banner --exit-code 1
@@ -64,11 +88,25 @@ jobs:
   dependency-scan:
     runs-on: ubuntu-latest
     container:
-      image: aquasec/trivy:latest
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Install Trivy
+        run: |
+          apt-get update && apt-get install -y wget curl
+          wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | apt-key add - || true
+          echo "deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main" | tee -a /etc/apt/sources.list.d/trivy.list
+          apt-get update && apt-get install -y trivy || \
+            (wget -qO /usr/local/bin/trivy https://github.com/aquasecurity/trivy/releases/latest/download/trivy_linux_amd64 && chmod +x /usr/local/bin/trivy)
+
       - name: Scan npm dependencies
         run: |
           if [ -f "package.json" ]; then
@@ -105,11 +143,22 @@ jobs:
   sast-scan:
     runs-on: ubuntu-latest
     container:
-      image: returntocorp/semgrep:latest
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Install Semgrep
+        run: |
+          apt-get update && apt-get install -y python3 python3-pip
+          pip3 install semgrep
+
       - name: Run Semgrep scan
         run: semgrep --config=auto --error
         continue-on-error: true
@@ -137,13 +186,23 @@ jobs:
   vault-check:
     runs-on: ubuntu-latest
     container:
-      image: python:3.11-slim
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Install Python and dependencies
+        run: |
+          apt-get update && apt-get install -y python3 python3-pip
+
       - name: Install Ansible
-        run: pip install --no-cache-dir ansible
+        run: pip3 install --no-cache-dir ansible
 
       - name: Validate vault files are encrypted
         run: |
@@ -166,13 +225,23 @@ jobs:
   playbook-test:
     runs-on: ubuntu-latest
     container:
-      image: python:3.11-slim
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Install Python and dependencies
+        run: |
+          apt-get update && apt-get install -y python3 python3-pip
+
       - name: Install Ansible
-        run: pip install --no-cache-dir ansible
+        run: pip3 install --no-cache-dir ansible
 
       - name: Dry-run playbooks
         run: |
@@ -198,11 +267,25 @@ jobs:
   container-scan:
     runs-on: ubuntu-latest
     container:
-      image: aquasec/trivy:latest
+      image: ubuntu:22.04
     steps:
+      - name: Install Node.js for checkout action
+        run: |
+          apt-get update && apt-get install -y curl
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y nodejs
+
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Install Trivy
+        run: |
+          apt-get update && apt-get install -y wget curl
+          wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | apt-key add - || true
+          echo "deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main" | tee -a /etc/apt/sources.list.d/trivy.list
+          apt-get update && apt-get install -y trivy || \
+            (wget -qO /usr/local/bin/trivy https://github.com/aquasecurity/trivy/releases/latest/download/trivy_linux_amd64 && chmod +x /usr/local/bin/trivy)
+
       - name: Scan for Dockerfiles and container configs
         run: |
           if [ -f "Dockerfile" ] || [ -f "docker-compose.yml" ] || find . -name "Dockerfile*" -o -name "*.dockerfile" 2>/dev/null | grep -v ".git" | head -1 > /dev/null; then