fix: switch to ubuntu:latest for stable toolchain

.gitea/workflows/homelab-main.yml

@@ -9,18 +9,20 @@ name: Homelab Main
 jobs:
   validate:
     runs-on: k8s
-    container: golang:1.23-bullseye
+    container: ubuntu:latest
     steps:
-      - name: Install Node.js and Python deps
+      - name: Install Toolchain (Go, Node, Python)
         run: |
           set -e
-          # Bypass broken Debian mirrors by installing pip via bootstrap
-          curl -sS https://bootstrap.pypa.io/get-pip.py | python3
-          python3 -m pip install PyYAML
+          apt-get update
+          apt-get install -y curl git python3-pip python3-yaml
           
-          # Install Node.js via NodeSource
+          # Install Go 1.23
+          curl -fsSL https://go.dev/dl/go1.23.0.linux-amd64.tar.gz | tar -C /usr/local -xzf -
+          
+          # Install Node 18
           curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
-          apt-get install -y --no-install-recommends nodejs
+          apt-get install -y nodejs
       - name: Check out repository
         run: |
           set -e
@@ -28,22 +30,28 @@ jobs:
       - name: Validate repository
         run: |
           set -e
+          export PATH="${PATH}:/usr/local/go/bin"
           ./jeannie validate
 
   deploy:
     runs-on: k8s
-    container: golang:1.23-bullseye
+    container: ubuntu:latest
     needs:
       - validate
     if: ${{ gitea.ref == 'refs/heads/main' }}
     steps:
-      - name: Install Node.js and Python deps
+      - name: Install Toolchain (Go, Node, Python)
         run: |
           set -e
-          curl -sS https://bootstrap.pypa.io/get-pip.py | python3
-          python3 -m pip install PyYAML
+          apt-get update
+          apt-get install -y curl git python3-pip python3-yaml
+          
+          # Install Go 1.23
+          curl -fsSL https://go.dev/dl/go1.23.0.linux-amd64.tar.gz | tar -C /usr/local -xzf -
+          
+          # Install Node 18
           curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
-          apt-get install -y --no-install-recommends nodejs
+          apt-get install -y nodejs
       - name: Check out repository
         run: |
           set -e
@@ -149,6 +157,7 @@ jobs:
       - name: Deploy main branch
         run: |
           set -e
+          export PATH="${PATH}:/usr/local/go/bin"
 
           workspace_dir="${PWD}"
           deploy_dir="${HOMELAB_DEPLOY_DIR:-}"