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Feat: Update Docker containers only when necessary #27

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Merged
geeksbsmrt merged 2 commits into from
Feb 21, 2026
Merged

Feat: Update Docker containers only when necessary #27

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239e143
feat: Conditionally apply Docker Compose changes by parsing rsync out…
geeksbsmrt Feb 21, 2026
2a508c0
fix: only apply Docker Compose changes when files are modified, remov…
geeksbsmrt Feb 21, 2026
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20 changes: 18 additions & 2 deletions .github/workflows/deploy-prod.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -157,16 +157,30 @@ jobs:
fi

- name: Sync configuration files
id: sync
run: |
echo "Syncing repository contents to ${{ secrets.DOCKER_DIR }}"
sudo rsync -av --no-o --no-g --checksum \
# Use --itemize-changes (-i) and capture output to a file to determine if actual transfers occurred
sudo rsync -avi --no-o --no-g --checksum \
"$GITHUB_WORKSPACE/docker/" \
"${{ secrets.DOCKER_DIR }}/" \
--exclude ".git/" \
--exclude ".github/" \
--exclude "*.sops.env" \
--exclude "prometheus/config/prometheus.yml.template" \
--exclude "unbound/unbound.conf.template"
--exclude "unbound/unbound.conf.template" > rsync_output.txt

cat rsync_output.txt

# Check if rsync_output.txt contains lines starting with '<', '>', or 'c' which indicate file updates/transfers
# Lines starting with '.' mean no change. Lines starting with '*' are usually messages/directories
if grep -E "^[<c>]|^>f" rsync_output.txt > /dev/null; then
echo "Files were updated during sync."
echo "files_changed=true" >> "$GITHUB_OUTPUT"
else
echo "No files were updated during sync."
echo "files_changed=false" >> "$GITHUB_OUTPUT"
fi

- name: Navigate to Docker Compose directory
run: cd "${{ secrets.DOCKER_DIR }}"
Expand All @@ -179,8 +193,10 @@ jobs:
password: ${{ secrets.DOCKER_PAT }}

- name: Apply Docker Compose changes
if: steps.sync.outputs.files_changed == 'true'
run: |
cd "${{ secrets.DOCKER_DIR }}"
echo "Changes detected. Applying Docker Compose..."
sudo docker compose up -d --remove-orphans

- name: Prune unused Docker images
Expand Down