ci: add teamcity build and deployment entry points

scripts/teamcity/deploy.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+: "${IMAGE_TAG:?IMAGE_TAG is required}"
+: "${REGISTRY:?REGISTRY is required}"
+: "${APP_BASE_URL:?APP_BASE_URL is required}"
+
+exec 9>/var/lock/travel-planner-deploy.lock
+flock -n 9 || { echo "Another deployment is already running" >&2; exit 1; }
+
+if [[ -f .deployed-image-tag ]]; then
+  cp .deployed-image-tag .previous-image-tag
+fi
+
+export IMAGE_TAG REGISTRY
+
+docker compose pull edge api worker postgres redis
+docker compose up -d postgres redis --wait --wait-timeout 120
+docker compose run --rm --no-deps api node backend/dist/apps/api/src/migration.js
+docker compose up -d --remove-orphans --wait --wait-timeout 120
+scripts/teamcity/smoke.sh
+printf '%s\n' "$IMAGE_TAG" > .deployed-image-tag