From 05699eea7d3130ddd11048f714a3783cd31be323 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 11 Jan 2026 21:38:55 +0000
Subject: [PATCH 1/2] Initial plan


From 99f2716c6b37ff9f968c207f63190d61f2c622f0 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 11 Jan 2026 21:41:47 +0000
Subject: [PATCH 2/2] Add host.docker.internal DNS resolution to container
 entrypoint

Co-authored-by: lpcox <15877973+lpcox@users.noreply.github.com>
---
 run_containerized.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/run_containerized.sh b/run_containerized.sh
index 85414a69..413a70fc 100755
--- a/run_containerized.sh
+++ b/run_containerized.sh
@@ -236,6 +236,53 @@ set_docker_api_version() {
     log_info "Set DOCKER_API_VERSION=$DOCKER_API_VERSION for $arch"
 }
 
+# Detect host IP and configure host.docker.internal DNS mapping
+configure_host_dns() {
+    log_info "Detecting host IP for container networking..."
+    
+    local HOST_IP=""
+    
+    # Method 1: Try to get the primary network interface IP (not loopback)
+    HOST_IP=$(ip -4 addr show 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '^127\.' | head -1)
+    if [ -n "$HOST_IP" ]; then
+        log_info "Method 1 (primary interface): $HOST_IP"
+    fi
+    
+    # Method 2: Try default gateway IP
+    if [ -z "$HOST_IP" ]; then
+        HOST_IP=$(ip route 2>/dev/null | grep default | awk '{print $3}' | head -1)
+        if [ -n "$HOST_IP" ]; then
+            log_info "Method 2 (default gateway): $HOST_IP"
+        fi
+    fi
+    
+    # Method 3: Try docker0 bridge IP
+    if [ -z "$HOST_IP" ]; then
+        HOST_IP=$(ip addr show docker0 2>/dev/null | grep 'inet ' | awk '{print $2}' | cut -d/ -f1)
+        if [ -n "$HOST_IP" ]; then
+            log_info "Method 3 (docker0 bridge): $HOST_IP"
+        fi
+    fi
+    
+    # Method 4: Last resort - common Docker bridge IP
+    if [ -z "$HOST_IP" ]; then
+        HOST_IP="172.17.0.1"
+        log_info "Method 4 (fallback): $HOST_IP"
+    fi
+    
+    log_info "Using host IP: $HOST_IP"
+    
+    # Add host.docker.internal mapping to /etc/hosts
+    # Check if the entry already exists to avoid duplicates
+    if ! grep -q "host.docker.internal" /etc/hosts 2>/dev/null; then
+        log_info "Adding host.docker.internal mapping to /etc/hosts"
+        echo "$HOST_IP   host.docker.internal" >> /etc/hosts
+        log_info "DNS mapping configured: $HOST_IP -> host.docker.internal"
+    else
+        log_info "host.docker.internal already exists in /etc/hosts"
+    fi
+}
+
 # Build command line arguments
 build_command_args() {
     local host="${MCP_GATEWAY_HOST:-0.0.0.0}"
@@ -285,6 +332,9 @@ main() {
         validate_log_directory_mount "$CONTAINER_ID"
     fi
     
+    # Configure DNS for host.docker.internal
+    configure_host_dns
+    
     # Build command
     FLAGS=$(build_command_args)
     CMD="./awmg"