Sample project descriptor which generates tiny mtar archives

mta.yaml

_schema-version: 2.0.0
ID: bookshop
version: 1.0.0
parameters:
  enable-parallel-deployments: true

modules:
  - name: bookshop-db
    type: hdb
    path: db
    parameters:
      memory: 256M
      disk-quota: 256M
    requires:
      - name: bookshop-db-hdi-container
    deployed-after:
      - bookshop-srv
    build-parameters:
      ignore: ["node_modules/"]
  - name: bookshop-srv
    type: nodejs
    path: srv
    parameters:
      memory: 512M
      disk-quota: 256M
      host: ${space}-bookshop-server
    build-parameters:
      ignore: ["node_modules/"]
    provides:
      - name: srv_api
        properties:
          url: ${default-url}
    requires:
      - name: bookshop-db-hdi-container
  - name: bookshop-ui
    type: nodejs
    path: app
    parameters:
      memory: 256M
      disk-quota: 256M
      host: ${space}-bookshop-ui
    build-parameters:
      ignore: ["node_modules/"]
    requires:
      - name: srv_api
        group: destinations
        properties: 
          forwardAuthToken: true
          strictSSL: true
          name: srv_api
          url: ~{url}
          
resources:
  - name: bookshop-db-hdi-container
    type: com.sap.xs.hdi-container
    properties:
      hdi-container-name: ${service-name}
    parameters:
      service: hanatrial

Excellent tip on the ignore node_modules/*, even after so many years it makes real sense