From 1348188a6c8049c7068968fc0da79e26bd8d6d44 Mon Sep 17 00:00:00 2001
From: Vadym Samoilenko <vadymsamoilenko@oliver.agency>
Date: Mon, 23 Feb 2026 14:04:34 +0000
Subject: [PATCH] fix: dedicated migrator stage for payload migrate
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Build stage runs pnpm build which changes ESM resolution context.
New migrator stage has deps+src only — clean env for tsx/payload migrate.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 Dockerfile              | 6 ++++++
 docker-compose.prod.yml | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index de4abdb..0942791 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,12 @@ ENV WATCHPACK_POLLING=true
 EXPOSE 3000
 CMD ["pnpm", "dev"]
 
+# --- Migrator (deps + src only, no Next.js build — used for pnpm payload migrate) ---
+FROM base AS migrator
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+CMD ["pnpm", "payload", "migrate"]
+
 # --- Build ---
 FROM base AS build
 COPY --from=deps /app/node_modules ./node_modules
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index bacbbdc..52fee35 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -15,7 +15,7 @@ services:
   migrator:
     build:
       context: .
-      target: build
+      target: migrator
     command: pnpm payload migrate
     env_file:
       - .env.production