diff --git a/.docker/api.Dockerfile b/.docker/api.Dockerfile
index 7717067..9661a52 100644
--- a/.docker/api.Dockerfile
+++ b/.docker/api.Dockerfile
@@ -1,8 +1,12 @@
 # syntax=docker/dockerfile:1.7
 FROM node:24-bookworm-slim AS development
 
-# canvas (node-canvas) native build deps + git (CVG-124: lefthook prepare script
-# runs on `pnpm install` and shells out to git).
+# Lefthook's prepare script runs on `pnpm install`, but the Docker build
+# context has no `.git` for it to attach hooks to. Skip cleanly via
+# lefthook's documented LEFTHOOK=0 opt-out (CVG-125).
+ENV LEFTHOOK=0
+
+# canvas (node-canvas) native build deps + git (CVG-124).
 RUN apt-get update && apt-get install -y --no-install-recommends \
     curl openssl git \
     build-essential python3 pkg-config \
@@ -44,6 +48,9 @@ CMD ["pnpm", "dev"]
 # ---- Production build ----
 FROM node:24-bookworm-slim AS builder
 
+# Skip lefthook prepare in Docker (no `.git` in context). See CVG-125.
+ENV LEFTHOOK=0
+
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl git build-essential python3 pkg-config \
     libpixman-1-dev libcairo2-dev libpango1.0-dev \
@@ -77,8 +84,10 @@ RUN pnpm --filter @cv/api build
 # ---- Production runtime ----
 FROM node:24-bookworm-slim AS production
 
-# canvas runtime libs (no build tools — prebuilt binaries from builder) +
-# git (CVG-124: lefthook prepare script runs on `pnpm install`).
+# Skip lefthook prepare in Docker (no `.git` in context). See CVG-125.
+ENV LEFTHOOK=0
+
+# canvas runtime libs (no build tools — prebuilt binaries from builder).
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl curl git \
     libcairo2 libpango-1.0-0 libpangocairo-1.0-0 \
diff --git a/.docker/worker.Dockerfile b/.docker/worker.Dockerfile
index fe286bd..921b12d 100644
--- a/.docker/worker.Dockerfile
+++ b/.docker/worker.Dockerfile
@@ -1,7 +1,9 @@
 # syntax=docker/dockerfile:1.7
 FROM node:24-bookworm-slim AS development
 
-# git is needed by lefthook's prepare script (CVG-124).
+# Skip lefthook prepare in Docker (no `.git` in context). See CVG-125.
+ENV LEFTHOOK=0
+
 RUN apt-get update && apt-get install -y --no-install-recommends curl git && rm -rf /var/lib/apt/lists/*
 RUN corepack enable && corepack prepare pnpm@10.29.1 --activate
 
@@ -42,7 +44,9 @@ CMD ["pnpm", "dev"]
 # ---- Production build ----
 FROM node:24-bookworm-slim AS builder
 
-# git is needed by lefthook's prepare script (CVG-124).
+# Skip lefthook prepare in Docker (no `.git` in context). See CVG-125.
+ENV LEFTHOOK=0
+
 RUN apt-get update && apt-get install -y --no-install-recommends git && rm -rf /var/lib/apt/lists/*
 RUN corepack enable && corepack prepare pnpm@10.29.1 --activate
 
@@ -70,7 +74,9 @@ RUN pnpm --filter @cv/worker build
 # ---- Production runtime ----
 FROM node:24-bookworm-slim AS production
 
-# git is needed by lefthook's prepare script (CVG-124).
+# Skip lefthook prepare in Docker (no `.git` in context). See CVG-125.
+ENV LEFTHOOK=0
+
 RUN apt-get update && apt-get install -y --no-install-recommends git && rm -rf /var/lib/apt/lists/*
 RUN corepack enable && corepack prepare pnpm@10.29.1 --activate