Skip to content

Harden CD deploy job by adding ephemeral runner-scoped SSH ingress #3

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
Copilot wants to merge 2 commits into
base: main
Choose a base branch
from
Draft

Harden CD deploy job by adding ephemeral runner-scoped SSH ingress #3

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ba91188
Initial plan
Copilot Aug 25, 2026
5e265b8
fix: allow temporary runner SSH ingress in CD deploy
Copilot Aug 25, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
42 changes: 42 additions & 0 deletions .github/workflows/deploy.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,28 @@ jobs:
runs-on: ubuntu-latest

steps:
- name: Get GitHub Runner Public IP
run: echo "RUNNER_IP=$(curl -s https://checkip.amazonaws.com)/32" >> "$GITHUB_ENV"

- name: Authorize temporary SSH access for GitHub Runner
env:
AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
AWS_REGION: ${{ secrets.AWS_REGION }}
EC2_SECURITY_GROUP_ID: ${{ secrets.EC2_SECURITY_GROUP_ID }}
run: |
set -e
OUTPUT=$(aws ec2 authorize-security-group-ingress \
--group-id "$EC2_SECURITY_GROUP_ID" \
--protocol tcp \
--port 22 \
--cidr "$RUNNER_IP" 2>&1) || STATUS=$?
if [ "${STATUS:-0}" -ne 0 ] && ! echo "$OUTPUT" | grep -q "InvalidPermission.Duplicate"; then
echo "$OUTPUT"
exit "${STATUS}"
fi
echo "Temporary SSH ingress ensured for $RUNNER_IP"

- name: Deploy & Verify on Production EC2 via SSH
uses: appleboy/ssh-action@v1.0.3
with:
Expand Down Expand Up @@ -72,3 +94,23 @@ jobs:
exit 1
fi
echo "=== Deployment Completed Successfully ==="

- name: Revoke temporary SSH access for GitHub Runner
if: always()
env:
AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
AWS_REGION: ${{ secrets.AWS_REGION }}
EC2_SECURITY_GROUP_ID: ${{ secrets.EC2_SECURITY_GROUP_ID }}
run: |
set -e
OUTPUT=$(aws ec2 revoke-security-group-ingress \
--group-id "$EC2_SECURITY_GROUP_ID" \
--protocol tcp \
--port 22 \
--cidr "$RUNNER_IP" 2>&1) || STATUS=$?
if [ "${STATUS:-0}" -ne 0 ] && ! echo "$OUTPUT" | grep -q "InvalidPermission.NotFound"; then
echo "$OUTPUT"
exit "${STATUS}"
fi
echo "Temporary SSH ingress revoked for $RUNNER_IP"
2 changes: 2 additions & 0 deletions deploy/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@ Ensure the following inbound ports are open in AWS EC2 Security Group:
| **Custom TCP** | `8080` | `0.0.0.0/0` | Direct Spring Boot API & Swagger UI |
| **Custom TCP** | `9001` | `My IP` | MinIO Web Console (Admin access only) |

For GitHub Actions CD deployments, workflow automation temporarily opens SSH (`22`) only for the active runner public IP and revokes it immediately after deployment.

---

## 🔑 One-Time SSL Certificate Issuance (Let's Encrypt)
Expand Down