fa09fc81c9
GitLab CI runs pytest + ruff on master/MRs, then auto-deploys via SSH. Blue-green strategy using Docker Compose profiles with an nginx router on port 5000 for zero-downtime switching between slots. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
77 lines
2.5 KiB
Bash
Executable File
77 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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COMPOSE="docker compose -f docker-compose.prod.yml"
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LIVE_FILE=".live-slot"
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ROUTER_CONF="router/default.conf"
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# ── Determine slots ─────────────────────────────────────────
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CURRENT=$(cat "$LIVE_FILE" 2>/dev/null || echo "none")
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if [ "$CURRENT" = "blue" ]; then
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TARGET="green"
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else
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TARGET="blue"
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fi
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echo "==> Current: $CURRENT → Deploying: $TARGET"
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# ── Build ───────────────────────────────────────────────────
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echo "==> Building $TARGET..."
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$COMPOSE --profile "$TARGET" build
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# ── Migrate ─────────────────────────────────────────────────
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echo "==> Running migrations..."
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$COMPOSE --profile "$TARGET" run --rm "${TARGET}-app" \
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python -m padelnomics.migrations.migrate
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# ── Start & health check ───────────────────────────────────
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echo "==> Starting $TARGET (waiting for health check)..."
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if ! $COMPOSE --profile "$TARGET" up -d --wait; then
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echo "!!! Health check failed — rolling back"
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$COMPOSE --profile "$TARGET" stop
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exit 1
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fi
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# ── Switch router ───────────────────────────────────────────
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echo "==> Switching router to $TARGET..."
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mkdir -p "$(dirname "$ROUTER_CONF")"
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cat > "$ROUTER_CONF" <<NGINX
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upstream app {
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server ${TARGET}-app:5000;
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}
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server {
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listen 80;
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location / {
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proxy_pass http://app;
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proxy_set_header Host \$host;
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proxy_set_header X-Real-IP \$remote_addr;
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proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto \$scheme;
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}
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}
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NGINX
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# Ensure router is running, then reload
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$COMPOSE up -d router
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$COMPOSE exec router nginx -s reload
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# ── Stop old slot ───────────────────────────────────────────
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if [ "$CURRENT" != "none" ]; then
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echo "==> Stopping $CURRENT..."
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$COMPOSE --profile "$CURRENT" stop
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fi
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# ── Record live slot ────────────────────────────────────────
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echo "$TARGET" > "$LIVE_FILE"
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echo "==> Deployed $TARGET successfully!"
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