config.json

{
  "versions": {
    "2.2.0": {"latest": true},
    "2.0.8": {},
    "2.0.6": {},
    "2.0.4": {},
    "2.0.2": {},
    "2.0.0": {},
    "1.6.20": {},
    "1.6.18": {},
    "1.6.16": {},
    "1.6.14": {},
    "1.6.12": {},
    "1.6.10": {},
    "1.6.8": {},
    "1.6.6": {},
    "1.6.4": {},
    "1.6.2": {},
    "1.6.0": {},
    "1.4.8": {},
    "1.4.6": {},
    "1.4.4": {},
    "1.4.2": {},
    "1.4.0": {},
    "1.2.12": {},
    "1.2.8": {},
    "1.2.6": {},
    "1.2.4": {},
    "1.2.2": {},
    "1.2.0": {},
    "1.0.10": {},
    "1.0.8": {},
    "1.0.6": {},
    "1.0.4": {},
    "1.0.2": {},
    "1.0.0": {},
    "0.20.2": {},
    "0.20.0": {},
    "0.19.6": {},
    "0.19.4": {},
    "0.19.2": {},
    "0.19.0": {},
    "0.18.0": {},
    "0.17.2": {},
    "0.17.0": {},
    "0.16.0": {},
    "0.15.2": {},
    "0.15.0": {},
    "0.14.3": {},
    "0.14.2": {},
    "0.14.0": {},
    "0.13.0": {}
  },
  "bases": {
    "ubuntu": {"default": true},
    "alpine": {}
  }
}