Environment variables substitution for Go
⚡ Executive Summary & Quick Facts
Authoritative Sourceenvsubst is envsubst is an open-source project written in Go: Environment variables substitution for Go..
| Repository | a8m/envsubst ↗ |
|---|---|
| Primary Category | environment variables |
| Language & Stack | Go |
| Software License | MIT |
| Community Traction | ★ 908 stars · ⑂ 97 forks · #6,872 globally |
| Maintenance | ● Active (Last commit: Oct 18, 2026) · 24 open issues |
| Target Audience | Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads. |
Star History
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+23
STARS · LAST 30 DAYS
1
PER DAY
#808
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +23 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
envsubst gained 23 stars in the last 30 days, about 1 a day, and now has 908. It is about 10 years old and has averaged roughly 91 stars a year. It ranks #808 among Go repositories and #6,872 across all languages on GitHubRepo.
Trending Record
1
DAYS ON TRENDING
#8402
BEST RANK
Oct 19, 2026
FIRST APPEARANCE
Active
STATUS TODAY
envsubst has maintained a continuous presence across global trending indexes, peaking at #8402. Below is the 30-day activity profile:
💡 Overview
envsubst is an open-source project written in Go: Environment variables substitution for Go.
Engineered for speed, consistency, and developer ease, it solves common hurdles in environment-variables, envsubst, go. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Go for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ go install github.com/a8m/envsubst@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
envsubst coordinates its core functionality through a modular Go pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed envsubst into Go backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MIT license.
🚀 Getting Started
Install envsubst using your package manager: `go install github.com/a8m/envsubst@latest`
Initialize your project workspace or configuration file for envsubst.
Import envsubst into your codebase or invoke it directly from your terminal.
Execute your test suite or run `envsubst --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
a8m/envsubst is currently ranked #6,872 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,867 | jhund/filterrific | Ruby | ★ 909 | Compare ↗ |
| #6,867 | ad-freiburg/qlever | C++ | ★ 909 | Compare ↗ |
| #6,867 | GridSpace/grid-apps | JavaScript | ★ 909 | Compare ↗ |
| #6,867 | horizontalsystems/unstoppable-wallet-ios | Swift | ★ 909 | Compare ↗ |
| #6,867 | hyvor/relay | PHP | ★ 909 | Compare ↗ |
| #6,872 | a8m/envsubst This Project | Go | ★ 908 | |
| #6,872 | GeyserMC/MCProtocolLib | Java | ★ 908 | Compare ↗ |
| #6,872 | SuperMap/iClient-JavaScript | JavaScript | ★ 908 | Compare ↗ |
| #6,872 | scottstts/Threejs-Awesome-Graphics-Agent-Skills | JavaScript | ★ 908 | Compare ↗ |
| #6,876 | okigan/awscurl | Python | ★ 907 | Compare ↗ |
| #6,876 | pynicolas/FairScan | Kotlin | ★ 907 | Compare ↗ |
Frequently Asked Questions
What does envsubst do? +
Environment variables substitution for Go
What language is envsubst written in? +
The primary language is Go. Topics include: environment-variables, envsubst, go.
Is envsubst actively maintained? +
Yes, the last recorded push was on Oct 18, 2026 with 24 open issues being tracked.
How many stars does envsubst have? +
envsubst has 908 stars and 97 forks on GitHub.
How does envsubst rank among GitHub repositories? +
With 908 stars, a8m/envsubst is ranked #6,872 globally across all repositories tracked on GitHubRepo and #808 among Go projects.
What license is envsubst distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
