Merge pull request #83 from blockscout/vb-universal-proxy-config

UNIVERSAL_PROXY_CONFIG env variable

Author: vbaranov

setup/env-variables/backend-env-variables.mdx

@@ -137,6 +137,7 @@ Can be set in format `1h` for 1 hour, `1m` for 1 minute, `1s` or `1` for 1 secon
 | `SHRINK_INTERNAL_TRANSACTIONS_ENABLED`                  | Variable to enable internal transactions shrinking logic. Implemented in [#10567](https://github.com/blockscout/blockscout/pull/10567).                                                                                                                                                                                                                                                                                                            | Version: v6.8.0\+ <br />Default: `false` <br />Applications: API, Indexer                                                                                                                                                                                                                                                                                                       |
 | `HACKNEY_DEFAULT_POOL_SIZE`                             | Size of `default` hackney pool. Implemented in [#12406](https://github.com/blockscout/blockscout/pull/12406).                                                                                                                                                                                                                                                                                                                                      | Version: v8.1.0\+ <br />Default: `1000` <br />Applications: API, Indexer                                                                                                                                                                                                                                                                                                        |
 | `UNIVERSAL_PROXY_CONFIG_URL`                            | Config URL for universal proxy. Implemented in [#12442](https://github.com/blockscout/blockscout/pull/12442).                                                                                                                                                                                                                                                                                                                                      | Version: v8.1.0\+ <br />Default: `https://raw.githubusercontent.com/blockscout/backend-configs/refs/heads/main/universal-proxy-config.json` <br />Applications: API                                                                                                                                                                                                             |
+| `UNIVERSAL_PROXY_CONFIG`.                               | JSON-encoded configuration string used to define settings for the universal proxy. Implemented in [#13787](https://github.com/blockscout/blockscout/pull/13787).                                                                                                                                                                                                                                                                                                                                     | Version: master <br />Default: (empty) <br />Applications: API                                                                                                                                                                                                                                                                                                                  |
 | `K8S_SERVICE`                                           | Kubernetes service name for Elixir nodes clusterization, more info on how to configure it can be found here https://hexdocs.pm/libcluster/Cluster.Strategy.Kubernetes.DNS.html. Implemented in [#13080](https://github.com/blockscout/blockscout/pull/13080).                                                                                                                                                                                      | Version: v9.2.0\+ <br />Default: (empty) <br />Applications: API, Indexer                                                                                                                                                                                                                                                                                                       |
 
 ## Database Management