Run CI linters without Docker

.gitea/workflows/ci.yaml

@@ -18,6 +18,16 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Check lint toolchain
+        shell: bash
+        run: |
+          for tool in prettier ruff yamllint hadolint; do
+            command -v "$tool" >/dev/null || {
+              echo "Missing required tool: $tool" >&2
+              exit 1
+            }
+          done
+
       - name: Check formatting with Prettier
         shell: bash
         run: |
@@ -32,29 +42,15 @@ jobs:
             exit 0
           fi
 
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            node:22-alpine \
-            sh -lc 'npx --yes prettier@3 --check --ignore-unknown "$@"' sh "${prettier_files[@]}"
+          prettier --check --ignore-unknown "${prettier_files[@]}"
 
       - name: Lint Python with Ruff
         shell: bash
-        run: |
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            ghcr.io/astral-sh/ruff:latest \
-            check .
+        run: ruff check .
 
       - name: Lint YAML syntax
         shell: bash
-        run: |
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            cytopia/yamllint:latest \
-            -c .yamllint .
+        run: yamllint -c .yamllint .
 
       - name: Lint Dockerfiles
         shell: bash
@@ -68,12 +64,7 @@ jobs:
             exit 0
           fi
 
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            --entrypoint hadolint \
-            hadolint/hadolint:latest-debian \
-            -c .hadolint.yaml "${dockerfiles[@]}"
+          hadolint -c .hadolint.yaml "${dockerfiles[@]}"
 
   validate:
     runs-on: [self-hosted, linux, arch, homelab]
@@ -81,14 +72,19 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Lint YAML syntax
+      - name: Check validation toolchain
         shell: bash
         run: |
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            cytopia/yamllint:latest \
-            -c .yamllint .
+          for tool in yamllint kubeconform; do
+            command -v "$tool" >/dev/null || {
+              echo "Missing required tool: $tool" >&2
+              exit 1
+            }
+          done
+
+      - name: Lint YAML syntax
+        shell: bash
+        run: yamllint -c .yamllint .
 
       - name: Validate Kubernetes manifests
         shell: bash
@@ -103,10 +99,7 @@ jobs:
             exit 0
           fi
 
-          docker run --rm \
-            -v "$PWD:/work" \
-            -w /work \
-            ghcr.io/yannh/kubeconform:latest \
+          kubeconform \
             -strict \
             -ignore-missing-schemas \
             -summary \