static ApiController()
{
string visibleEnvironmentsStr = AppSettingsUtils.ReadAppSettingString(_AppSettingsKey_VisibleEnvironments);
string deployableEnvironmentsStr = AppSettingsUtils.ReadAppSettingString(_AppSettingsKey_DeployableEnvironments);
string allowedProjectConfigurationsStr = AppSettingsUtils.ReadAppSettingString(_AppSettingsKey_AllowedProjectConfigurations);
_visibleEnvironments = ParseAppSettingSet(visibleEnvironmentsStr);
_deployableEnvironments = ParseAppSettingSet(deployableEnvironmentsStr);
_allowedProjectConfigurations = ParseAppSettingSet(allowedProjectConfigurationsStr);
_maxProjectConfigurationBuildsCount = AppSettingsUtils.ReadAppSettingInt(_AppSettingsKey_MaxProjectConfigurationBuildsCount);
}