[#634] Update docs

Signed-off-by: Angira Kekteeva <kira@nspcc.ru>

CHANGELOG.md

@@ -6,6 +6,7 @@ This document outlines major changes between releases.
 
 ### Added
 - Exposure of pool metrics (#615)
+- Configuration of `set_copies_number` (#634)
 ### Changed
 - Improved wallet configuration via `.yaml` config and environment variables (#607)
 ### Removed

config/config.env

@@ -99,3 +99,7 @@ S3_GW_DEFAULT_POLICY="REP 3"
 # value of Access-Control-Max-Age header if this value is not set in a rule. Has an int type.
 S3_GW_CORS_DEFAULT_MAX_AGE=600
 
+# Parameters of requests to NeoFS
+# Number of the object copies to consider PUT to NeoFS successful.
+# If not set, default value 0 will be used -- it means that object will be processed according to the container's placement policy
+S3_GW_NEOFS_SET_COPIES_NUMBER=0

config/config.yaml

@@ -111,3 +111,9 @@ default_policy: REP 3
 # value of Access-Control-Max-Age header if this value is not set in a rule. Has an int type.
 cors:
   default_max_age: 600
+
+# Parameters of requests to NeoFS
+neofs:
+# Number of the object copies to consider PUT to NeoFS successful.
+# `0` means that object will be processed according to the container's placement policy
+  set_copies_number: 0

docs/configuration.md

@@ -121,7 +121,7 @@ There are some custom types used for brevity:
 ### Structure
 
 | Section      | Description                                       |
-|--------------|-------------------------------------------------|
+|--------------|---------------------------------------------------|
 | no section   | [General parameters](#general-section)            |
 | `wallet`     | [Wallet configuration](#wallet-section)           |
 | `peers`      | [Nodes configuration](#peers-section)             |
@@ -133,6 +133,7 @@ There are some custom types used for brevity:
 | `cors`       | [CORS configuration](#cors-section)               |
 | `pprof`      | [Pprof configuration](#pprof-section)             |
 | `prometheus` | [Prometheus configuration](#prometheus-section)   |
+| `neofs`      | [Parameters of requests to NeoFS](#neofs-section) |
 
 ### General section
 
@@ -364,3 +365,16 @@ prometheus:
 |-----------|----------|------------------|-----------------------------------------|
 | `enabled` | `bool`   | `false`          | Flag to enable the service.             |
 | `address` | `string` | `localhost:8086` | Address that service listener binds to. |
+
+# `neofs` section
+
+Contains parameters of requests to NeoFS.
+
+```yaml
+neofs:
+  set_copies_number: 0
+```
+
+| Parameter           | Type     | Default value | Description                                                                                                                                                               |
+|---------------------|----------|---------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `set_copies_number` | `uint32` | `0`           | Number of the object copies to consider PUT to NeoFS successful. <br/>Default value `0` means that object will be processed according to the container's placement policy |