# Tag to set UID and GID to container
#
# Examples:
# tags:
#   - docker-svc-tz:
#       policy: always
#       services:
#         - srv1
#         - mysqldb

# Default imports
local user_data = std.parseJson(std.extVar('user_data'));
local docker_data = std.parseJson(std.extVar('docker_data'));

# Init defaults
local default_svcs = std.get(user_data, 'PAASIFY_STACK_SVCS');

# Build default config
local config_default = {
  APP_SERVICES: default_svcs,
  APP_PUID: 1000,
  APP_PGID: 1000,
  APP_PUID_VAR: 'APP_PUID',
  APP_PGID_VAR: 'APP_PGID',
};

local conf = config_default + user_data;
local services_names = std.split(conf.APP_SERVICES, ',') ;

# Internal functions
local ServiceUGI(var, val) =
  if std.isString(val) || std.isNumber(val) then
  {
    [var]: std.toString(val),
  } else {};


# Process
docker_data +
{
  services+: {
    [svc_name]+: {
      environment+: 
        ServiceUGI(conf.APP_PUID_VAR, conf.APP_PUID) +
        ServiceUGI(conf.APP_PGID_VAR, conf.APP_PGID),
    } for svc_name in services_names
  },
}