Copy root pnpm-lock.yaml into app context for Docker builds

Each app's Dockerfile expects a lockfile but docker build context is
scoped to the app directory. Copy it in before build, remove after.

.github/workflows/deploy-production.yaml

@@ -36,10 +36,12 @@ jobs:
           echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
           IFS=',' read -ra APPS <<< "${{ steps.changes.outputs.apps }}"
           for app in "${APPS[@]}"; do
+            cp pnpm-lock.yaml apps/${app}/pnpm-lock.yaml
             docker build \
               -t ghcr.io/${{ github.repository_owner }}/homelab-${app}:${{ github.sha }} \
               -t ghcr.io/${{ github.repository_owner }}/homelab-${app}:latest \
               apps/${app}
+            rm apps/${app}/pnpm-lock.yaml
             docker push ghcr.io/${{ github.repository_owner }}/homelab-${app}:${{ github.sha }}
             docker push ghcr.io/${{ github.repository_owner }}/homelab-${app}:latest
           done