--- title: "How to manage configuration settings in Go web applications – Alex Edwards" url: https://daily.dev/posts/how-to-manage-configuration-settings-in-go-web-applications-alex-edwards-1zshmydca source_url: https://www.alexedwards.net/blog/how-to-manage-configuration-settings-in-go-web-applications type: article source: "Alex Edwards" published: 2025-06-30T17:04:10.313Z updated: 2025-06-30T17:04:33.142Z tags: ["webdev", "golang", "cli"] reading_time: 13 upvotes: 5 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How to manage configuration settings in Go web applications – Alex Edwards **[Alex Edwards](https://daily.dev/sources/alexedwards)** · 13 min read · 5 upvotes · 0 comments ## Summary Explores three main approaches for managing configuration settings in Go web applications: command-line flags (using the standard flag package), environment variables (with os.Getenv()), and configuration files (TOML, YAML, JSON). Demonstrates how to parse settings into a config struct, pass them to HTTP handlers through an application struct, and discusses the trade-offs of each approach. The author favors command-line flags for their built-in help text, type conversion, and clarity, while recommending configuration files for complex or numerous settings. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#webdev](https://daily.dev/tags/webdev), [#golang](https://daily.dev/tags/golang), [#cli](https://daily.dev/tags/cli) [View this post on daily.dev](https://daily.dev/posts/how-to-manage-configuration-settings-in-go-web-applications-alex-edwards-1zshmydca)