caarlos0/env

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A simple, zero-dependencies library to parse environment variables into structs

Stars: 6.3k
Forks: 284
Open beginner issues: 0
Indexed issues: 16
Avg merge: 1d 17h
Merged PRs (30d): 1

Dominant language: Go
License: MIT
Last GitHub push: Sep 4, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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16 open issues indexed

Proposal: Default values already set in the passed struct pointer should be respected Open

enhancement

caarlos0/env#273 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Option to require env vars to be set and not empty by default Open

caarlos0/env#344 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Please sign release tarballs and/or release tags Open

caarlos0/env#345 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Suggestion: New env tag options ",hide": make the field invisible if someone try to print it Open

caarlos0/env#360 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 14, 2026
support complex map types, where the map value can be a struct Open

caarlos0/env#361 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Values are not loaded from environment with SetDefaultsForZeroValuesOnly Open

caarlos0/env#364 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Proposal: new tag "notEmptyIfDefined" to avoid the cases when an env-var is presented but its value is an empty string Open

caarlos0/env#376 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Initialize nil pointers Open

caarlos0/env#383 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Do not support pointer to user type Open

caarlos0/env#385 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
support for suffix Open

caarlos0/env#394 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Native support for map[string][]string? Open

caarlos0/env#398 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Option to allow setting empty values Open

caarlos0/env#406 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Looking for co-maintainers Open

caarlos0/env#407 · 2 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Feature Request: Conditional env validation (envEnableIf) Open

caarlos0/env#413 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026
FeatureRequest: `_FILE` suffix to env vars Open

caarlos0/env#422 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Support non‑consecutive indices when parsing slice environment variables Open

caarlos0/env#435 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

caarlos0/env

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