Create CD workflow

.github/workflows/deploy.yml

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+name: Deploy
+
+on:
+  workflow_run:
+    workflows: ["Run Tests"]
+    types: [completed]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    if: |
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'workflow_run' &&
+       github.event.workflow_run.conclusion == 'success' &&
+       (github.event.workflow_run.head_branch == 'main' || github.event.workflow_run.head_branch == 'github-actions'))
+    name: "Deploy to VPS"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Configure SSH
+        run: |
+          mkdir -p ~/.ssh/
+          echo "$SSH_PRIVATE_KEY" > ~/.ssh/deploy-key.pem
+          chmod 600 ~/.ssh/deploy-key.pem
+          cat >> ~/.ssh/config <<END
+          Host my-vps
+            HostName $SSH_IP
+            User $SSH_USER
+            IdentityFile ~/.ssh/deploy-key.pem
+            StrictHostKeyChecking no
+          END
+        env:
+          SSH_USER: ${{ secrets.SSH_USER }}
+          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
+          SSH_IP: ${{ secrets.SSH_IP }}
+
+      - name: Redeploy Site
+        run: |
+          ssh my-vps '~/redeploy-site.sh' \
+          ssh my-vps 'yes | cp ~/PE-portfolio/scripts/redeploy-site.sh ~/redeploy-site.sh'

scripts/redeploy-site.sh

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+#!/bin/bash
+# Set up a virtual environment "python3-virtualenv" before executing this script
+
+set -eo pipefail
+
+PROJECT_DIR="$HOME/graph-uf/"
+URL="https://www.aleguy02.dev"
+MAX_RETRIES=5
+
+
+echo "=== pulling in latest changes ==="
+
+cd $PROJECT_DIR
+git fetch && git reset origin/main --hard > /dev/null
+
+
+echo "=== spinning down containers ==="
+
+docker compose -f compose.yaml down > /dev/null
+
+
+echo "=== rebuilding containers ==="
+
+docker compose -f compose.yaml up -d --build > /dev/null
+
+
+echo "=== validating service ==="
+
+required_containers=("graphuf")
+
+for container in "${required_containers[@]}"; do
+        if ! docker ps --format '{{.Names}}' | grep -q "^${container}$"; then
+                echo "!! Required container '$container' is not running. !!"
+                exit 1
+        fi
+done
+
+# Health check with retries
+retry_count=0
+while [ $retry_count -lt $MAX_RETRIES ]; do
+        if [ "$(curl --head $URL/health | awk '/^HTTP/{print $2}')" = "200" ]; then
+                echo "Health check passed"
+                break
+        fi
+
+        retry_count=$((retry_count + 1))
+        echo "Health check attempt $retry_count/$MAX_RETRIES failed"
+
+        if [ $retry_count -lt $MAX_RETRIES ]; then
+                echo "Retrying in 7 seconds..."
+                sleep 7
+        fi
+done
+if [ $retry_count -eq $MAX_RETRIES ]; then
+        echo "!! Could not reach the site at $URL/health or received a non-200 HTTP response. !!"
+        exit 1
+fi
+
+
+echo "=== redeployment complete ==="
+
+echo "View the site at $URL"