added hadolint bash script

install-lint.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Simple script to install and run Hadolint
+        echo ""
+	        echo "#====================================================#"
+		        echo "#            Installing Hadolint"
+			        echo "#====================================================#"
+				        echo ""
+
+					# Install Hadolint
+					        wget -O hadolint https://github.com/hadolint/hadolint/releases/download/v2.12.0/hadolint-Linux-x86_64
+						# Move to appropriate directory
+						        mv hadolint /usr/local/bin/hadolint
+							# Make file executable
+							        chmod +x /usr/local/bin/hadolint
+								# Check hadolint version to make sure it is installed
+								        hadolint -v
+
+									        echo ""
+										        echo "#====================================================#"
+											        echo "#            Hadolint Installation Complete"
+												        echo "#====================================================#"
+													        echo ""
+														# Run Hadolint on Dockerfile
+														        docker run --rm -i hadolint/hadolint < Dockerfile
+
+															        echo ""
+																        echo "#====================================================#"
+																	        echo "#            Dockerfile Linting Complete"
+																		        echo "#====================================================#"
+																			        echo ""