Questions tagged [env]
221 questions
4
votes
1 answer
Override FROM image's ENV in Dockerfile
From the following image: https://registry.hub.docker.com/u/cloudesire/activemq/dockerfile/
If I wanted to override the ACTIVEMQ_VERSION environment variable in my child docker file, I assumed I would be able to do something like the following:
FROM…

James
- 1,237
- 4
- 22
- 43
4
votes
1 answer
How to create a windows cmd shell with empty environment
I want to create a windows cmd with a empty environment, meaning no env variables. What would be the easiest way to get rid of them?

Peter Kirschner
- 927
- 1
- 9
- 17
4
votes
1 answer
Env variables not loaded when invoked in rake task
In lib/tasks/sitemap.rake:
namespace :sitemap do
task update: :environment do
Rake::Task["sitemap:generate"].execute
key = ENV['AWS_ACCESS_KEY_ID']
secret = ENV['AWS_SECRET_ACCESS_KEY']
bucket = ENV['S3_BUCKET']
s3 =…

sergserg
- 21,716
- 41
- 129
- 182
4
votes
2 answers
Capistrano read from .env on deployment server
I am trying to perform a database backup as part of a Capistrano (v3) deployment script (for a NON-Rails app).
The script works fine -- if I hard-code database config into it.
Now I want to load in the database config from a .env file. On my local…
user3070184
4
votes
1 answer
How to handle population of env variables
While my understanding is that using environment variables for configuring applications in different deployment environments is best practice, I don't know of a good method for managing these environments and populating the variables in them.
Here…

Smithamax
- 141
- 3
4
votes
4 answers
Processing multiple quant mod stock tickers in parallel in R
I might not explain my questions clear in the title, apologize.
Here is the question with the code, it will be clearer,
library(zoo);library(quantmod)
stockData <- new.env()#Make a new environment for quantmod to store data in
startDate =…

StayFoolish
- 531
- 1
- 12
- 29
4
votes
5 answers
Rails saving IP address with every create/update request
I'd like to do the following:
define a before_filter in application.rb that extracts the user's IP address and stores it anywhere, preferably in the session.
define two before filters in all my models as before_create and before_update that add…

Jason Nerer
- 551
- 7
- 19
3
votes
3 answers
NGINX and environment variables from configuration file
I'm trying to set some environment variables to nginx via it's configuration file. I'm using nginx/0.8.53 and it's not working.
server {
listen 80;
server_name localdictus;
root /opt/vdmo_dictus/public; # <--- be sure to point to…

Alexander Bierbrauer
- 49
- 1
- 1
- 3
3
votes
1 answer
Insecure $ENV{ENV} while running with -T switch
When I try the last example from
perlfaq5: How-do-I-count-the-number-of-lines-in-a-file? I get an error-message.
What should I do to get the script working?
#!/usr/local/bin/perl -T
use warnings;
use 5.012;
$ENV{PATH} = undef;
my $filename =…

sid_com
- 24,137
- 26
- 96
- 187
3
votes
5 answers
Saving Perl Windows Environment Keys UPCASES them
I have a framework written in Perl that sets a bunch of environment variables to support interprocess (typically it is sub process) communication. We keep a sets of key/value pairs in XML-ish files. We tried to make the key names camel-case…
Jeff Hutton
3
votes
2 answers
why env -i does not match the command manual
I have read the linux command env manual, specifically, for the -i option, the manual says:
-i, --ignore-environment # start with an empty environment
What I get is that when -i option is specified, the environment is empty,i.e, no environment…

Tracy
- 1,988
- 5
- 25
- 36
3
votes
1 answer
Load .env file in clojure
Is there any recommended way to load configuration inside a .env file in clojure?
I've found https://github.com/rentpath/clj-dotenv and https://github.com/jackmorrill/dotenv which seemed to do what I want, but both of them are not available on…

heyarne
- 1,127
- 9
- 33
3
votes
1 answer
Ruby script shebang with rbenv and uninstalled project-required version
I have a script in a Ruby application at bin/setup that begins with:
#!/usr/bin/env ruby
env tells what executables are accessible, and if there is a Ruby version available on $PATH, the script should use it to execute.
Suppose I am using rbenv and…

Olivier Lacan
- 2,636
- 2
- 24
- 22
3
votes
2 answers
why do `#!/usr/bin/env var=val command` gets into an infinite loop
In man(1) env it say:
env [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]
So consider print_A.sh:
#!/usr/bin/env A=b bash
echo A is $A
When I run it with ./print_A.sh it hangs.
Running it with strace ./print_A.sh I get the following log,…

Chen Levy
- 15,438
- 17
- 74
- 92
3
votes
1 answer
Accesing environment variables with $ and ENV in ruby
I am trying to acces an environment variable set in ~/.bashrc
In ~/.bashrc I have set
export testdata =
without the <> of course.
I may add that I also tried adding
testdata=
to /etc/environment
When I am still in the shell…

FlyingTeller
- 17,638
- 3
- 38
- 53