WIP store-agnostic cache manager.

Signed-off-by: Eric Peterson <ericpeterson@spotify.com>

packages/backend-common/package.json

@@ -36,10 +36,13 @@
     "@backstage/integration": "^0.5.2",
     "@google-cloud/storage": "^5.8.0",
     "@octokit/rest": "^18.5.3",
+    "@types/cache-manager": "^3.4.0",
     "@types/cors": "^2.8.6",
     "@types/dockerode": "^3.2.1",
     "@types/express": "^4.17.6",
     "archiver": "^5.0.2",
+    "cache-manager": "^3.4.3",
+    "cache-manager-memcached-store": "^4.0.0",
     "compression": "^1.7.4",
     "concat-stream": "^2.0.0",
     "cors": "^2.8.5",
@@ -54,6 +57,7 @@
     "knex": "^0.95.1",
     "lodash": "^4.17.15",
     "logform": "^2.1.1",
+    "memcache-pp": "^0.3.3",
     "minimatch": "^3.0.4",
     "minimist": "^1.2.5",
     "morgan": "^1.10.0",