docker.sh script update

Author: commitconfirmed

docker.sh

@@ -2,38 +2,32 @@
 #
 # Basic bash script to save me some keystrokes when building and running docker containers
 
-usage="Usage: $(basename "$0") -bcr \n 
--b: Build and run the container \n
--c: Stop and cleanup the container \n
--r: Stop, Rebuild and re-run the container \n
+usage="Usage: $(basename "$0") [build|run|stop] \n 
+build: Build the container \n
+run: Run the container \n
+stop: Stop and cleanup the container \n
 Example to build the container: - ./$(basename "$0") -b"
 
 if [[ -z $1 ]]; then
   echo -e $usage
   exit 1
-fi
-
-while getopts 'bcr' flag; do
-  case "${flag}" in
-    b) 
+else
+  current_dir=$(pwd)
+  case $1 in
+    build) 
       sudo docker build -t jsnac .
       sudo docker image rm $(sudo docker image list -qf dangling=true)
-      sudo docker run -it --name jsnac jsnac
       exit 0
       ;;
-    c) 
-      sudo docker stop $(sudo docker ps -qaf name=jsnac)
-      sudo docker rm $(sudo docker ps -qaf name=jsnac)
+    run) 
+      sudo docker run -it --name jsnac jsnac
       exit 0
       ;;
-    r)
+    stop)
       sudo docker stop $(sudo docker ps -qaf name=jsnac)
       sudo docker rm $(sudo docker ps -qaf name=jsnac)
-      sudo docker build -t jsnac .
-      sudo docker image rm $(sudo docker image list -qf dangling=true)
-      sudo docker run -it --name jsnac jsnac
       exit 0
       ;;
     *) error "Unexpected option ${flag}" ;;
   esac
-done
+fi