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Override configuration settings

Last update: Fri Nov 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

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This topic discusses how to derive an environment variable name knowing a configuration path. You can override Adobe Commerce configuration settings using environment variables. For example, you can override the value of a payment processor’s live URL on your production system.

You can override the value of any configuration setting using environment variables; however, Adobe recommends you maintain consistent settings using the shared configuration file, config.php, and the system-specific configuration file, env.php, as discussed in Deployment general overview.

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Check out the Configure environments topic in the Commerce on Cloud Infrastructure guide.

Environment variables

An environment variable name consists of its scope followed by its configuration path in a particular format. The following sections discuss how to determine a variable name in more detail.

You can use variables for any of the following:

Configuration paths can be found in:

Variable names

The general format of system settings variable names follows:

<SCOPE>__<SYSTEM__VARIABLE__NAME>

<SCOPE> can be either:

<SYSTEM__VARIABLE__NAME> is the configuration path with double underscore characters substituted for /. For more information, see Step 2: Set system variables.

Variable format

<SCOPE> is separated from <SYSTEM__VARIABLE__NAME> by two underscore characters.

<SYSTEM__VARIABLE__NAME> is derived from a configuration setting’s configuration path, which is a / delimited string that uniquely identifies a particular setting. Replace each / character in the configuration path with two underscore characters to create the system variable.

If a configuration path contains an underscore character, the underscore character remains in the variable.

A complete list of configuration paths can be found in:

Step 1: Find the website or store view scope value

This section discusses how you can find and set system configuration values per scope (store view or website). To set global scope variables, see Step 2: Set global, website, or store view variables.

Scope values come from the store, store_group, and store_website tables.

  • The store table specifies store view names and codes
  • The store_website table specifies website names and codes

You can also find the code values using the Admin.

How to read the table:

  • Path in Admin column

    Values before the comma are paths in the Admin navigation. Values after the comma are options in the right pane.

  • Variable name column is the name of the corresponding environment variable.

    You have the option of specifying system values for these configuration parameters as environment variables if you wish.

    • The entire variable name is always ALL CAPS
    • Start a variable name with CONFIG__ (note two underscore characters)
    • You can find the <STORE_VIEW_CODE> or <WEBSITE_CODE> portion of a variable name in either the Admin or the Commerce database, as indicated in the following sections.
    • You can find <SYSTEM__VARIABLE__NAME> as discussed in Step 2: Set global, website, or store view variables.

Find a website or store view scope in the Admin

The following table summarizes how to find website or store view value in the Admin.

Description
Path in Admin
Variable name
Create, edit, delete store views
Stores > All Stores
CONFIG__STORES__<STORE_VIEW_CODE>__<SYSTEM__VARIABLE__NAME>
Create, edit, delete websites
Stores > All Stores
CONFIG__WEBSITES__<WEBSITE_CODE>__<SYSTEM__VARIABLE__NAME>

For example, to find a website or store view scope value in the Admin:

  1. Log in to the Admin as a user authorized to view websites.

  2. Click Stores > All Stores.

  3. Click the name of a website or store view.

    The right pane is displayed similar to the following.

    Find a website code

  4. The scope name is displayed in the Code field.

  5. Continue with Step 2: Set global, website, or store view variables.

Find a website or store view scope in the database

To get these values from the database:

  1. Log in to your development system as the file system owner if you have not done so already.

  2. Enter the following command:

    code language-bash 
    mysql -u <database-username> -p

  3. At the mysql> prompt, enter the following commands in the order shown:

    code language-shell 
    use <database-name>;

  4. Use the following SQL queries to find the relevant values:

    code language-shell 
    SELECT * FROM STORE;
SELECT * FROM STORE_WEBSITE;

    A sample follows:

    code language-shell 
    mysql> SELECT * FROM STORE_WEBSITE;
+------------+-------+--------------+------------+------------------+------------+
| website_id | code  | name         | sort_order | default_group_id | is_default |
+------------+-------+--------------+------------+------------------+------------+
|          0 | admin | Admin        |          0 |                0 |          0 |
|          1 | base  | Main Website |          0 |                1 |          1 |
|          2 | test1 | Test Website |          0 |                3 |          0 |
+------------+-------+--------------+------------+------------------+------------+

  5. Use the value from the code column as the scope name, not the name value.

    For example, to set a configuration variable for Test Website, use the following format:

    code language-shell 
    CONFIG__WEBSITES__TEST1__<SYSTEM__VARIABLE__NAME>

    where <SYSTEM__VARIABLE__NAME> comes from the next section.

Step 2: Set global, website, or store view variables

This section discusses how to set system variables.

  • To set values for the global scope (that is, all websites, stores, and store views), start the variable name with CONFIG__DEFAULT__.

  • To set a value for a particular store view or website, start the variable name as discussed in Step 1: Find the scope value:

    • CONFIG__WEBSITES
    • CONFIG__STORES

  • The last part of the variable name is the configuration path, which is unique for each configuration setting.

See some examples.

The following table shows a few sample variables.

Description
Path in Admin (omitting Stores > Settings > Configuration)
Variable name
Elasticsearch server hostname
Catalog > Catalog, Elasticsearch Server Hostname
<SCOPE>__CATALOG__SEARCH__ELASTICSEARCH_SERVER_HOSTNAME
Elasticsearch server port
Catalog > Catalog, Elasticsearch Server Port
<SCOPE>__CATALOG__SEARCH__ELASTICSEARCH_SERVER_PORT
Shipping country origin
Sales > Shipping Settings
<SCOPE>__SHIPPING__ORIGIN__COUNTRY_ID
Custom Admin URL
Advanced > Admin
<SCOPE>__ADMIN__URL__CUSTOM
Custom Admin Path
Advanced > Admin
<SCOPE>__ADMIN__URL__CUSTOM_PATH

Examples

This section shows how to find values of some sample variables.

Elasticsearch server hostname

To find the variable name for global HTML minification:

  1. Determine the scope.

    It is the global scope so the variable name starts with CONFIG__DEFAULT__

  2. The rest of the variable name is CATALOG__SEARCH__ELASTICSEARCH_SERVER_HOSTNAME.

    Result: The variable name is CONFIG__DEFAULT__CATALOG__SEARCH__ELASTICSEARCH_SERVER_HOSTNAME

Shipping country origin

To find the variable name for the shipping country origin:

  1. Determine the scope.

    Find the scope in the database as discussed in Step 1: Find the website or store view scope value. (You can also find the value in the Admin as shown in the [table in Step 2: Set global, website, or store view variables](#step-2-set-global-website-or-store-view-variables.

    For example, the scope might be CONFIG__WEBSITES__DEFAULT.

  2. The rest of the variable name is SHIPPING__ORIGIN__COUNTRY_ID.

    Result: The variable name is CONFIG__WEBSITES__DEFAULT__SHIPPING__ORIGIN__COUNTRY_ID

How to use environment variables

Set configuration values as variables using PHP’s $_ENV associate array. You can set the values in any PHP script that runs when Commerce runs.

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Setting variable values in index.php or pub/index.php does not always function as expected since different application entry points can be used depending on the web server configuration. By placing $_ENV directives in the app/bootstrap.php file, regardless of different application entry points, the $_ENV directives always execute since the app/bootstrap.php file loads as part of the Commerce architecture.

An example of setting two $_ENV values follows:

$_ENV['CONFIG__DEFAULT__CATALOG__SEARCH__ELASTICSEARCH_SERVER_HOSTNAME'] = 'http://search.example.com';
$_ENV['CONFIG__DEFAULT__GENERAL__STORE_INFORMATION__MERCHANT_VAT_NUMBER'] = '1234';

A step-by-step example is shown in Set configuration values using environment variables.

WARNING

  • To use values that you set in the $_ENV array, you must set variables_order = "EGPCS"(Environment, Get, Post, Cookie, and Server) in your php.ini file. For details, see PHP documentation.

  • For Adobe Commerce on cloud infrastructure, if you are attempting to override configuration settings using the Project Web Interface, you must prepend the variable name with env:. For example:

Environment variable example
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