oliverdavies.uk/content/node.7039fa97-b91e-42c4-b974-c75ab08e4d51.json

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    "title": [
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            "value": "Separating environments with feature flags\n"
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            "value": "2023-09-27T00:00:00+00:00"
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            "value": "\n          <p>You have two or more environments and versions of your application, but you do trunk-based development, so you only have a single branch that you use on all environments.<\/p>\n\n<p>But if all environments have the same code, how can we have differences between them?<\/p>\n\n<p>What if we want a feature enabled on one environment and not the other?<\/p>\n\n<h2 id=\"feature-flags\">Feature flags<\/h2>\n\n<p>Feature flags are an approach I've previously written about. You have two branches of logic within your code, and the flow changes based on whether a flag is enabled.<\/p>\n\n<p>If a flag is enabled, execute the first block of code. Otherwise, execute the second.<\/p>\n\n<p>Now, you enable and disable the required feature flags for each environment.<\/p>\n\n<p><strong>The code is the same for all environments, but the enabled features and functionality are different.<\/strong><\/p>\n\n<p>Then, once the feature has been deployed and released in production, the feature flag can be removed.<\/p>\n\n        ",
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            "processed": "\n          <p>You have two or more environments and versions of your application, but you do trunk-based development, so you only have a single branch that you use on all environments.<\/p>\n\n<p>But if all environments have the same code, how can we have differences between them?<\/p>\n\n<p>What if we want a feature enabled on one environment and not the other?<\/p>\n\n<h2 id=\"feature-flags\">Feature flags<\/h2>\n\n<p>Feature flags are an approach I've previously written about. You have two branches of logic within your code, and the flow changes based on whether a flag is enabled.<\/p>\n\n<p>If a flag is enabled, execute the first block of code. Otherwise, execute the second.<\/p>\n\n<p>Now, you enable and disable the required feature flags for each environment.<\/p>\n\n<p><strong>The code is the same for all environments, but the enabled features and functionality are different.<\/strong><\/p>\n\n<p>Then, once the feature has been deployed and released in production, the feature flag can be removed.<\/p>\n\n        ",
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