feat(docker): reduce the size of alpine docker images (#3973)

* reduce redundant code between the two alpine Dockerfiles
* reduce the docker image build times
* reduce the `n8n` image size from 1.17GB to 462MB
* reduce the `n8n-custom` image size from 671MB to 460MB
* reduce the size of npm tree by making all typing packages devDependencies

Partially resolves this ticket: N8N-3252

packages/node-dev/package.json

@@ -48,15 +48,15 @@
   "devDependencies": {
     "@oclif/dev-cli": "^1.22.2",
     "@types/copyfiles": "^2.1.1",
+    "@types/express": "^4.17.6",
     "@types/inquirer": "^6.5.0",
+    "@types/node": "^16.11.22",
     "@types/tmp": "^0.2.0",
     "@types/vorpal": "^1.11.0"
   },
   "dependencies": {
     "@oclif/command": "^1.5.18",
     "@oclif/errors": "^1.2.2",
-    "@types/express": "^4.17.6",
-    "@types/node": "^16.11.22",
     "change-case": "^4.1.1",
     "copyfiles": "^2.1.1",
     "inquirer": "^7.0.1",