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Fix embedded Postgres initdb failure in Docker slim containers

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The embedded-postgres library hardcodes --lc-messages=en_US.UTF-8 and
strips the parent process environment when spawning initdb/postgres.
In slim Docker images (e.g. node:20-bookworm-slim), the en_US.UTF-8
locale isn't installed, causing initdb to exit with code 1.

Two fixes applied:
1. Add --lc-messages=C to all initdbFlags arrays (overrides the
   library's hardcoded locale since our flags come after in the spread)
2. pnpm patch on embedded-postgres to preserve process.env in spawn
   calls, preventing loss of PATH, LD_LIBRARY_PATH, and other vars

Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
dotta 2026-03-24 08:03:04 -05:00
parent 59e29afab5
commit 5602576ae1
11 changed files with 38 additions and 11 deletions
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22
patches/embedded-postgres@18.1.0-beta.16.patch Normal file
View file

@ -0,0 +1,22 @@
diff --git a/dist/index.js b/dist/index.js
index ccfe17a82f4879bf20cc345c579a987d9eba5309..dd689f5908f625f49b4785318daea736aa88927f 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -133,7 +133,7 @@ class EmbeddedPostgres {
`--pwfile=${passwordFile}`,
`--lc-messages=${LC_MESSAGES_LOCALE}`,
...this.options.initdbFlags,
- ], Object.assign(Object.assign({}, permissionIds), { env: { LC_MESSAGES: LC_MESSAGES_LOCALE } }));
+ ], Object.assign(Object.assign({}, permissionIds), { env: Object.assign(Object.assign({}, process.env), { LC_MESSAGES: LC_MESSAGES_LOCALE }) }));
// Connect to stderr, as that is where the messages get sent
(_a = process.stdout) === null || _a === void 0 ? void 0 : _a.on('data', (chunk) => {
// Parse the data as a string and log it
@@ -177,7 +177,7 @@ class EmbeddedPostgres {
'-p',
this.options.port.toString(),
...this.options.postgresFlags,
- ], Object.assign(Object.assign({}, permissionIds), { env: { LC_MESSAGES: LC_MESSAGES_LOCALE } }));
+ ], Object.assign(Object.assign({}, permissionIds), { env: Object.assign(Object.assign({}, process.env), { LC_MESSAGES: LC_MESSAGES_LOCALE }) }));
// Connect to stderr, as that is where the messages get sent
(_a = this.process.stderr) === null || _a === void 0 ? void 0 : _a.on('data', (chunk) => {
// Parse the data as a string and log it