A number of glitches passing arguments to Docker and repair them
Initially, how do you go parameters to a Docker container?
If you wish to go them whenever you’re constructing the container:
docker construct -t 2ndSightLab/pentest --build-arg param=check
Reference the variable
$param
If you wish to go them whenever you’re working the container in case you’re entry level is bash:
docker run 2ndSightLab/pentest Hey There!
Then in your bash entry level file:
a=$1
b=$2echo "$a $b"
That might print out:
Hey There!
One factor to concentrate on is that in case you go in additional than 9 variables you’ll wish to add curly braces round every variable:
j=${10}
You probably have an argument with areas in it then you definately’ll must put it in quotes:
docker run 2ndSightLab/pentest "Hey" "Sizzling Stuff!"
In any other case you’d find yourself with three variables within the above as a substitute of two.
You might need completely different argument values at construct time that you just don’t wish to have out there at run time.
You may use setting variables as nicely however I’d reasonably not retailer values there for probably the most half. I retailer parameters encrypted in AWS parameter retailer or secrets and techniques supervisor for probably the most half. Comparable features exist on all the main cloud platforms.
Teri Radichel — Comply with me @teriradichel on Twitter
© 2nd Sight Lab 2022
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