improve doc

README.md

@@ -27,4 +27,4 @@ This file is automatically updated after execute `git commit` based on the conte
  - its-registry.unl.edu/unl-its/docker-ci/static-code-analysis:python 
     
 
-_Last update: Thu May 30 16:58:18 CDT 2019_
+_Last update: Thu May 30 17:47:26 CDT 2019_

detect-secrets/Dockerfile

@@ -20,7 +20,6 @@ RUN apk update && apk upgrade && \
 
 COPY entrypoint.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/entrypoint.sh
-#ENTRYPOINT ["/usr/local/bin/detect-secrets"]
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
 
-CMD ["/usr/local/bin/detect-secrets", "scan"]
+CMD ["/usr/local/bin/detect-secrets"]

detect-secrets/entrypoint.sh

 #!/bin/sh
 set -e
 
+OPT=""
+ENTROPY="4"
 while [ -n "$1" ]; do
 	case "$1" in
     	-s)
-			OUTPUT=`/usr/local/bin/detect-secrets scan`
-			echo ${OUTPUT} | jq
-			RESULT=`echo ${OUTPUT} | jq '.results | length == 0'`
-	        if [ "${RESULT}" = "true" ]; then
- 		       exit 0
-        	else
-		       exit 1
-    	    fi
-        ;;
-        *)
-        	exec /bin/sh
+			OPT="scan"
         ;;
+		-e)
+			shift
+			ENTROPY="$1"
+			;;
+		*)
+			echo "Invalid parameter(s)"
+			echo "Usage:"
+			echo "docker run --rm -v "${PWD}:/work" -w /work its-registry.unl.edu/unl-its/docker-ci/detect-secrets -s -e 3"
+			echo ""
+			exit 2
 	esac
 	shift
 done
+
+if [ ${OPT} = "scan" ]; then
+	OUTPUT=`/usr/local/bin/detect-secrets scan --base64-limit ${ENTROPY}`
+	echo ${OUTPUT} | jq
+	RESULT=`echo ${OUTPUT} | jq '.results | length == 0'`
+    if [ "${RESULT}" = "true" ]; then
+       exit 0
+   	else
+       exit 1
+    fi
+fi

examples/Detect-Secrets.md

 # Secrets detection example
+
+## Parameters
+
+| Argument | Description		          |
+| :------- | :--------------------------- |
+| -s       | Scans the current directory  |
+| -e value | Entropy threshold (allowed randomness); Default value 4 |
+
+
 ## Detects secrets in the current project
 
 - One 'analysis' stage with one job
-  
+
 ``` yml
 stages:
   - analysis 
@@ -11,5 +20,5 @@ variables:
   tags:
     - docker
   script:
-    - docker run --rm -v "${PWD}:/work" -w /work its-registry.unl.edu/unl-its/docker-ci/detect-secrets -s
+    - docker run --rm -v "${PWD}:/work" -w /work its-registry.unl.edu/unl-its/docker-ci/detect-secrets -s -e 4.5
 ```