diff --git a/index/Dockerfile b/index/Dockerfile
index 49b2a32..f36ed37 100644
--- a/index/Dockerfile
+++ b/index/Dockerfile
@@ -9,7 +9,6 @@ COPY *.py .
 
 ENV HOST=0.0.0.0
 ENV PORT=8000
-ENV CHUNK_SIZE=10
 ENV FASTEMBED_CACHE_PATH=/models/fastembed
 ENV HF_HOME=/models/huggingface
 
diff --git a/index/Makefile b/index/Makefile
index 7d86f0e..34588f5 100644
--- a/index/Makefile
+++ b/index/Makefile
@@ -15,7 +15,7 @@ login:
 
 build:
 	@: $(if $(TEAM_ID),,$(error TEAM_ID is required for make build))
-	docker build -t $(IMAGE) ./
+	docker build --platform linux/amd64 -t $(IMAGE) ./
 
 run: build
 	docker run --rm -p $(PORT):8000 $(IMAGE)
diff --git a/search/Makefile b/search/Makefile
index ecafb99..9a27320 100644
--- a/search/Makefile
+++ b/search/Makefile
@@ -25,7 +25,7 @@ login:
 
 build:
 	@: $(if $(TEAM_ID),,$(error TEAM_ID is required for make build))
-	docker build -t $(IMAGE) ./
+	docker build --platform linux/amd64 -t $(IMAGE) ./
 
 run: build
 	@: $(foreach var,$(REQUIRED_RUN_VARS),$(if $($(var)),,$(error $(var) is required for make run)))