diff --git a/Dockerfile b/Dockerfile
index c615f11..19bcaea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,6 +10,10 @@ COPY . .
 # Prisma client + TypedSQL must be pre-generated locally (needs live DB for --sql).
 # src/generated/ is gitignored but included in Docker context from local dev.
 ENV DATABASE_URL="postgresql://placeholder:placeholder@localhost:5432/placeholder"
+ARG NEXT_PUBLIC_GOOGLE_MAPS_API_KEY
+ARG NEXT_PUBLIC_GOOGLE_MAP_ID
+ENV NEXT_PUBLIC_GOOGLE_MAPS_API_KEY=$NEXT_PUBLIC_GOOGLE_MAPS_API_KEY
+ENV NEXT_PUBLIC_GOOGLE_MAP_ID=$NEXT_PUBLIC_GOOGLE_MAP_ID
 RUN npx next build
 
 FROM node:22-slim AS runner
diff --git a/README.md b/README.md
index 64ed1fd..3ce649d 100644
--- a/README.md
+++ b/README.md
@@ -151,8 +151,11 @@ The app is containerized as a standalone Next.js image for production deployment
 # Prisma TypedSQL must be generated locally first (requires live database)
 bunx prisma generate --sql
 
-# Build the production image
-docker build -t registry.claiborne.soy/busi488energy:latest .
+# Build the production image (NEXT_PUBLIC_* vars are inlined at build time)
+docker build \
+  --build-arg NEXT_PUBLIC_GOOGLE_MAPS_API_KEY="your-key" \
+  --build-arg NEXT_PUBLIC_GOOGLE_MAP_ID="your-map-id" \
+  -t registry.claiborne.soy/busi488energy:latest .
 
 # Push to the internal registry
 docker push registry.claiborne.soy/busi488energy:latest