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0

Say for example we wanted to write the env from the host to Docker container, one way would be to use a temp file:

env > env_file && docker run --env-file env_file image_name

to avoid a temp file, maybe we could use process substitution, but obviously this won't quite work:

docker run --env-file <(env) image_name

is there some way to write the env output somehow without have to use a temp file?

The error I get is:

$ docker run --env-file <(env) redis



docker: poorly formatted environment: variable 'echo "copied to clipboard";' has white spaces.

See 'docker run --help'.

bash shell environment-variables docker process-substitution

share|improve this question

edited 3 mins ago

Alexander Mills

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Is there a particular error you saw when using process substitution? Post the same
  
  – Inian
  32 mins ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  well it's looking for filepath, not reading from stdin
  
  – Alexander Mills
  4 mins ago
  

  
  
  
  

add a comment | 

0

Say for example we wanted to write the env from the host to Docker container, one way would be to use a temp file:

env > env_file && docker run --env-file env_file image_name

to avoid a temp file, maybe we could use process substitution, but obviously this won't quite work:

docker run --env-file <(env) image_name

is there some way to write the env output somehow without have to use a temp file?

The error I get is:

$ docker run --env-file <(env) redis



docker: poorly formatted environment: variable 'echo "copied to clipboard";' has white spaces.

See 'docker run --help'.

bash shell environment-variables docker process-substitution

share|improve this question

edited 3 mins ago

Alexander Mills

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Is there a particular error you saw when using process substitution? Post the same
  
  – Inian
  32 mins ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  well it's looking for filepath, not reading from stdin
  
  – Alexander Mills
  4 mins ago
  

  
  
  
  

add a comment | 

Say for example we wanted to write the env from the host to Docker container, one way would be to use a temp file:

env > env_file && docker run --env-file env_file image_name

to avoid a temp file, maybe we could use process substitution, but obviously this won't quite work:

docker run --env-file <(env) image_name

is there some way to write the env output somehow without have to use a temp file?

The error I get is:

$ docker run --env-file <(env) redis



docker: poorly formatted environment: variable 'echo "copied to clipboard";' has white spaces.

See 'docker run --help'.

bash shell environment-variables docker process-substitution

share|improve this question

edited 3 mins ago

Alexander Mills

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

env > env_file && docker run --env-file env_file image_name

docker run --env-file <(env) image_name

share|improve this question

edited 3 mins ago

Alexander Mills

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

share|improve this question

edited 3 mins ago

Alexander Mills

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962

asked 41 mins ago

Alexander MillsAlexander Mills

2,37121962