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Welcome to the Grasshopper wiki!

The first thing to figure out, is if we could generate a Nulecule file from a very well/rich annotated Dockerfile. Yes we can! By using grasshopper nulecule guess:

$ ./grasshopper --experimental nulecule guess test-fixtures/Dockerfile-postgresql.rhel7 
Logging to grasshopper.log
---
specversion: 0.0.2
id: PostgreSQL_9.4
metadata:
  name: "PostgreSQL 9.4"
  appversion: "9.4-1"
  description: "PostgreSQL is an advanced Object-Relational database management system"
requirements:
  - persistentVolume:
    name: "var-lib-psql-data"
    accessMode: "ReadWrite"
    size: 1