Sure. Note that I'm just a regular user.
I think it is best if "versions" in terms of GAE deployment match
"versions" in terms of your Git, i.e. a consistent state of your
project's files.
Thus there will be occasions when you need to change version for your
production environment. In such cases you would deploy your new
version with --no-promote, then start the new version then migrate, or
if you have a heavy traffic with many instances started you would split
traffic then gradually increase the share sent to the new version, up to
100%, then stop the previous version (or let it stop). Within your
staging project (or possibly 'service'), you might also need to handle
versions, and a given version might be deployed to the staging project
and when validated, deployed to the production project. So if you were
using versions as environments you would have very little flexibility in
managing actual versions.
Patrice
On 6/15/21 4:42 PM, Bilal Haidar wrote:
Thanks Patrice!
Can you explain to me or refer me to a resource on the real use of
versions? I must have misunderstood it.
Many thanks
Bilal
On Tue, Jun 15, 2021 at 5:34 PM Patrice Bertrand
<[email protected] <mailto:[email protected]>>
wrote:
Hello Bill,
Maybe you should consider using 2 distincts projects instead of
versions for the need that you describe. This will allow you to
use versions as proper versions, and to handle a version change
within a given service.
Alternatively, you could consider using 2 services, each with
versions as needed.
Using different projects or different services of a project should
not affect your costs, since you are paying for live instances
ultimately.
Patrice
On 6/15/21 2:28 PM, Bilal Haidar wrote:
Hi,
I would like to understand the relation between --promote
(--no-promote) and split traffic.
- When I make a version deployment (--promote), it means it takes
100% of the traffic
- When I make a version deployment (--no-promote), it won't take
any traffic percentage. *However, would I be able to visit this
version by URL? Would this version be stopped or active?
*
- Split Traffic it works sort of against (--promote). We use it
when we want to split the traffic among versions instead of
promoting a single version.
I am planning to have two versions of my app. One is prod and
another staging.
Only prod should serve clients. While staging should only be used
internally for testing, etc.
Shall I use *--promote* with the prod environment and
*--no-promote* with the staging one?
Thanks
Bill
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