Autoload .env for example configuration - #3
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Each example crashed with "IDEM_BASE_URL is not set" unless the vars were exported into the real shell environment first, because System.getenv() never looked at the .env file the README tells you to create. Add dotenv-kotlin and a shared requiredEnv() helper (host env still wins over .env), and document .env setup in the README. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
IDEM_BASE_URL is not setunlessIDEM_BASE_URL/IDEM_API_KEYwere exported into the real shell environment —System.getenv()never read the.envfile the README instructs you to create.io.github.cdimascio:dotenv-kotlinand a sharedrequiredEnv()helper (support/Env.kt) used by all 5 examples; a real host env var still takes precedence over.env..envsetup (what each variable should be, where the values come from) in the README.Test plan
./mvnw compilesucceeds with the new dependencyStablecoinOnChainExampleKtwith only.envpopulated (no shell exports) — it now reaches the client instead of failing onIDEM_BASE_URL is not set(failed later only on a stale API key value already in the local.env, unrelated to this change)