dockerfile - How do I set environment variables during the docker . . . When building a Docker image from the commandline, you can set ARG values using –build-arg: $ docker build --build-arg some_variable_name=a_value Running that command, with the above Dockerfile, will result in the following line being printed (among others): Oh dang look at that a_value So, how does this translate to using docker-compose yml
Default arguments with *args and **kwargs - Stack Overflow In Python 2 x (I use 2 7), which is the proper way to use default arguments with *args and **kwargs? I've found a question on SO related to this topic, but that is for Python 3: Calling a Python fu
c++ - What does int argc, char *argv [] mean? - Stack Overflow The variables are named argc (argument count) and argv (argument vector) by convention, but they can be given any valid identifier: int main(int num_args, char** arg_strings) is equally valid
python - Use of *args and **kwargs - Stack Overflow So I have difficulty with the concept of *args and **kwargs So far I have learned that: *args = list of arguments - as positional arguments **kwargs = dictionary - whose keys become separate keyw
What is the String [] args parameter in the main method? That String[] args part may become optional in future versions of Java Work is underway to allow for simplified declaration of main method See JEP 463: Implicitly Declared Classes and Instance Main Methods (Second Preview), a new feature previewed in Java 22 This is part of the paving the on-ramp initiative led by the Java team at Oracle to make Java easier to learn
How to define build-args in docker-compose? - Stack Overflow This answer is very useful, it actually shows how docker-compose can be used with --build-arg on command-line, you can define your ARG in Dockerfile, docker-compose yml - the :args array defined and then finally override it on the command-line
How to pass arguments to a Dockerfile? - Stack Overflow I am using RUN instruction within a Dockerfile to install a rpm RUN yum -y install samplerpm-2 3 However, I want to pass the value "2 3" as an argument My RUN instruction should look something li
Dockerfile if else condition with external arguments Accepted answer does not cover "if else condition" part of the question Would be better to rename it to "Dockerfile with external arguments" if condition check didn't mean to be a requirement