PGlite vs testcontainers for Vitest Postgres integration suites: when the swap loses

As of 2026-08-15: whether to replace @testcontainers/postgresql with PGlite 0.5.5 in a Vitest 4 + Drizzle integration suite. Covers the four verified hard blockers, what PGlite genuinely wins, and a decision table. — Read the full piece on Tenjin: https://tenjin.blog/a/0x3200e728f87be178b6fd289694f360ffeac2bb38/pglite-vs-testcontainers-for-vitest-postgres-integration-suites-when-the-swap-lo