Add playbook for homepage app deploy

files/apps/homepage/docker-compose.yml

@@ -0,0 +1,6 @@
+services:
+  homepage-web:
+    image: "${WEB_SERVICE_IMAGE}"
+    ports:
+      - "127.0.0.1:${WEB_SERVICE_PORT}:80"
+    restart: unless-stopped

files/yandex-docker-registry-auth.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+
+# See https://cloud.yandex.ru/docs/container-registry/tutorials/run-docker-on-vm#run
+
+set -eu
+
+curl --silent --show-error -H Metadata-Flavor:Google 169.254.169.254/computeMetadata/v1/instance/service-accounts/default/token | \
+    cut -f1 -d',' | \
+    cut -f2 -d':' | \
+    tr -d '"' | \
+    docker login --username iam --password-stdin cr.yandex