# notes
There is no need to build your own image. Use the ones on docker hub. e.g. google/cloud-sdk:alpine
See https://hub.docker.com/r/google/cloud-sdk/

# usage
gcloud init

You will then be prompted to sign in with a URL and enter a default region. For Hong Kong, it is asia-northeast1-c.

asia-east1-a Changhua County, Taiwan
asia-east1-b Changhua County, Taiwan
asia-east1-c Changhua County, Taiwan
asia-east2-a Hong Kong, APAC
asia-east2-b Hong Kong, APAC
asia-east2-c Hong Kong, APAC
asia-northeast1-a Tokyo, Japan, APAC 
asia-northeast1-b Tokyo, Japan, APAC 
asia-northeast1-c Tokyo, Japan, APAC 
asia-northeast2-a Osaka, Japan, APAC 
asia-northeast2-b Osaka, Japan, APAC 
asia-northeast2-c Osaka, Japan, APAC 
asia-northeast3-a Seoul, South Korea, APAC 
asia-northeast3-b Seoul, South Korea, APAC 
asia-northeast3-c Seoul, South Korea, APAC 
asia-south1-a Mumbai, India APAC
asia-south1-b Mumbai, India APAC
asia-south1-c Mumbai, India APAC
asia-south2-a Delhi, India APAC 
asia-south2-b Delhi, India APAC 
asia-south2-c Delhi, India APAC 
asia-southeast1-a Jurong West, Singapore
asia-southeast1-b Jurong West, Singapore
asia-southeast1-c Jurong West, Singapore
asia-southeast2-a Jakarta, Indonesia, APAC
asia-southeast2-b Jakarta, Indonesia, APAC
asia-southeast2-c Jakarta, Indonesia, APAC
australia-southeast1-a Sydney, Australia
australia-southeast1-b Sydney, Australia
australia-southeast1-c Sydney, Australia
australia-southeast2-a Melbourne, Australia
australia-southeast2-b     
australia-southeast2-c Melbourne, Australia
europe-central2-a     
europe-central2-b     
europe-central2-c Warsaw, Poland, Europe
europe-north1-a Hamina, Finland, Europe
europe-north1-b Hamina, Finland, Europe
europe-north1-c Hamina, Finland, Europe 
europe-west1-b St. Ghislain, Belgium, Europe
europe-west1-c St. Ghislain, Belgium, Europe
europe-west1-d St. Ghislain, Belgium, Europe
europe-west2-a London, England, Europe 
europe-west2-b London, England, Europe 
europe-west2-c London, England, Europe
europe-west3-a Frankfurt, Germany Europe
europe-west3-b Frankfurt, Germany Europe
europe-west3-c Frankfurt, Germany Europe
europe-west4-a Eemshaven, Netherlands, Europe
europe-west4-b Eemshaven, Netherlands, Europe 
europe-west4-c Eemshaven, Netherlands, Europe 
europe-west6-a Zurich, Switzerland, Europe 
europe-west6-b Zurich, Switzerland, Europe 
europe-west6-c Zurich, Switzerland, Europe 
northamerica-northeast1-a Montréal, Québec, North America 
northamerica-northeast1-b Montréal, Québec, North America 
northamerica-northeast1-c Montréal, Québec, North America 
northamerica-northeast2-a Toronto, Ontario, North America 
northamerica-northeast2-b Toronto, Ontario, North America 
northamerica-northeast2-c Toronto, Ontario, North America 
southamerica-east1-a Osasco, São Paulo, Brazil, South
southamerica-east1-b Osasco, São Paulo, Brazil, South
southamerica-east1-c Osasco, São Paulo, Brazil, South
southamerica-west1-a,b,c Santiago, Chile, South America 
us-central1-a Council Bluffs, Iowa, North America
us-central1-b Council Bluffs, Iowa, North America
us-central1-c Council Bluffs, Iowa, North America
us-central1-f Council Bluffs, Iowa, North America
us-east1-b Moncks Corner, South Carolina, North
us-east1-c Moncks Corner, South Carolina, North
us-east1-d Moncks Corner, South Carolina, North
us-east4-a Ashburn, Virginia, North America 
us-east4-b Ashburn, Virginia, North America 
us-east4-c Ashburn, Virginia, North America 
us-west1-a The Dalles, Oregon, North America
us-west1-b The Dalles, Oregon, North America
us-west1-c The Dalles, Oregon, North America
us-west2-a Los Angeles, California, North America
us-west2-b Los Angeles, California, North America
us-west2-c Los Angeles, California, North America
us-west3-a     
us-west3-b     
us-west3-c Salt Lake City, Utah, North
us-west4-a Las Vegas, Nevada, North America
us-west4-b Las Vegas, Nevada, North America
us-west4-c Las Vegas, Nevada, North America