diff --git a/agentic/Dockerfile b/agentic/Dockerfile
index 7e6cebae..56438a61 100644
--- a/agentic/Dockerfile
+++ b/agentic/Dockerfile
@@ -10,7 +10,8 @@ WORKDIR /app
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     PIP_NO_CACHE_DIR=1 \
-    PIP_DISABLE_PIP_VERSION_CHECK=1
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    DEBIAN_FRONTEND=noninteractive
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/guinea_pigs/apache_2.4.25/Dockerfile b/guinea_pigs/apache_2.4.25/Dockerfile
index e649a065..d8ee8411 100644
--- a/guinea_pigs/apache_2.4.25/Dockerfile
+++ b/guinea_pigs/apache_2.4.25/Dockerfile
@@ -4,6 +4,7 @@
 FROM debian:bullseye-slim
 
 # Install build dependencies
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y \
     build-essential \
     wget \
diff --git a/guinea_pigs/apache_2.4.49/Dockerfile b/guinea_pigs/apache_2.4.49/Dockerfile
index c4bb9a0f..fd82135f 100644
--- a/guinea_pigs/apache_2.4.49/Dockerfile
+++ b/guinea_pigs/apache_2.4.49/Dockerfile
@@ -4,6 +4,7 @@
 FROM debian:bullseye-slim
 
 # Install build dependencies
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y \
     build-essential \
     wget \
diff --git a/recon_orchestrator/Dockerfile b/recon_orchestrator/Dockerfile
index 0989b919..09c11a4d 100644
--- a/recon_orchestrator/Dockerfile
+++ b/recon_orchestrator/Dockerfile
@@ -3,6 +3,7 @@ FROM python:3.11-slim
 WORKDIR /app
 
 # Install Docker CLI for container management and curl for healthcheck
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y \
     docker.io \
     curl \