Revert podman with kind

Signed-off-by: Nick Masluk <nick@randombytes.net>

Author: namasl

scripts/kind-cluster.sh

@@ -12,7 +12,6 @@ CLUSTER_NAME="compass-poc"
 KSERVE_VERSION="v0.13.0"
 CERT_MANAGER_VERSION="v1.14.4"
 CLUSTER_CONFIG="config/kind-cluster.yaml"
-CONTAINER_TOOL=$(if command -v podman >/dev/null 2>&1; then echo podman; elif command -v docker >/dev/null 2>&1; then echo docker; else echo ""; fi)
 
 # Colors for output
 RED='\033[0;31m'
@@ -50,20 +49,12 @@ check_prerequisites() {
 
     local missing_deps=()
 
-    # Check Docker/Podman
-    if command -v docker &> /dev/null; then
-        if ! docker info &> /dev/null; then
-            print_error "Docker is installed but not running. Please start Docker Desktop."
-            exit 1
-        fi
-    elif command -v podman &> /dev/null; then
-        if ! podman info &> /dev/null; then
-            print_error "Podman is installed but not running. Please start the Podman service."
-            exit 1
-        fi
-        print_warning "Podman requires rootless access to port 80."
-    else
-        missing_deps+=("docker or podman")
+    # Check Docker
+    if ! command -v docker &> /dev/null; then
+        missing_deps+=("docker")
+    elif ! docker info &> /dev/null; then
+        print_error "Docker is installed but not running. Please start Docker Desktop."
+        exit 1
     fi
 
     # Check kubectl
@@ -163,20 +154,12 @@ start_cluster() {
 
     # Load vLLM simulator image into cluster
     print_step "Loading vLLM simulator image into cluster..."
-    if $CONTAINER_TOOL images vllm-simulator:latest --format "{{.Repository}}" | grep -q vllm-simulator; then
-        if [ $CONTAINER_TOOL = "docker" ]; then
-            kind load docker-image vllm-simulator:latest --name "$CLUSTER_NAME"
-        elif [ $CONTAINER_TOOL = "podman" ]; then
-            podman save vllm-simulator:latest -o vllm-simulator.tar
-            kind load image-archive vllm-simulator.tar --name "$CLUSTER_NAME"
-            rm vllm-simulator.tar
-        else
-            print_error "Invalid CONTAINER_TOOL: $CONTAINER_TOOL"
-        fi
-            print_success "vLLM simulator image loaded"
+    if docker images vllm-simulator:latest --format "{{.Repository}}" | grep -q vllm-simulator; then
+        kind load docker-image vllm-simulator:latest --name "$CLUSTER_NAME"
+        print_success "vLLM simulator image loaded"
     else
         print_warning "vLLM simulator image not found locally - skipping"
-        echo "  Build the simulator: cd simulator && $CONTAINER_TOOL build -t vllm-simulator:latest ."
+        echo "  Build the simulator: cd simulator && docker build -t vllm-simulator:latest ."
     fi
 
     echo ""