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docker-bench-security.sh

@@ -46,8 +46,21 @@ fi
 
 usage () {
   cat <<EOF
-  usage: ${myname} [options]
+Docker Bench for Security - Docker, Inc. (c) 2015-$(date +"%Y")
+Checks for dozens of common best-practices around deploying Docker containers in production.
+Inspired by the CIS Docker Benchmark v1.2.0.
 
+Usage: ${myname} [OPTIONS]
+
+Example:
+  - Only run check "2.2 - Ensure the logging level is set to 'info'":
+      sh docker-bench-security.sh -c check_2_2
+  - Run all available checks except the host_configuration group and "2.8 - Enable user namespace support":
+      sh docker-bench-security.sh -e host_configuration,check_2_8
+  - Run just the container_images checks except "4.5 - Ensure Content trust for Docker is Enabled":
+      sh docker-bench-security.sh -c container_images -e check_4_5
+
+Options:
   -b           optional  Do not print colors
   -h           optional  Print this help message
   -l FILE      optional  Log output in FILE, inside container if run using docker
@@ -56,6 +69,10 @@ usage () {
   -i INCLUDE   optional  Comma delimited list of patterns within a container or image name to check
   -x EXCLUDE   optional  Comma delimited list of patterns within a container or image name to exclude from check
   -n LIMIT     optional  In JSON output, when reporting lists of items (containers, images, etc.), limit the number of reported items to LIMIT. Default 0 (no limit).
+
+Complete list of checks: <https://github.com/docker/docker-bench-security/blob/master/functions_lib.sh>
+Full documentation: <https://github.com/docker/docker-bench-security>
+Released under the Apache-2.0 License.
 EOF
 }