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set env variable in docker run

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Jolly Jellyfish answered on May 26, 2020 Popularity 10/10 Helpfulness 4/10

answer set env variable in docker run

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set env variable in docker run

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docker run --env VAR1=value1 --env VAR2=value2

can use -e instead of --env

Popularity 10/10 Helpfulness 4/10 Language whatever

Source: docs.docker.com

Tags: docker-run env set whatever

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Contributed on Apr 11 2023

Jolly Jellyfish

0 Answers Avg Quality 2/10

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docker how to echo env variable in bash

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docker exec <container-name> env

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Source: stackoverflow.com

Tags: bash

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Contributed on May 26 2020

SmokeFrog

0 Answers Avg Quality 2/10

dockerfile set environment variable from command

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#I've found two ways:
#1. Pass the value in the build args. Reference: https://artsy.github.io/blog/2018/09/10/Dockerhub-Stamping-Commits/

docker build --build-arg=VERSION=$(git rev-parse --short HEAD) -t $IMAGE_NAME -f $FILE

# then in the Dockerfile:
ARG VERSION=""
ADD . /app
WORKDIR /app

# Now set it as an env var
ENV COMMIT_SHA=${VERSION}

# 2. Create a wrapper do execute with the CMD command. Ref: https://github.com/moby/moby/issues/29110
# I created a sh file to set the variable
#!/bin/bash
set -e
source /usr/local/devops/bin/functions.sh
APP_VERSION=$(get_git_hash)
$*

# then added the commands to the dockerfile
COPY docker/set_app_version.sh ${CATALINA_HOME}/bin/set_app_version.sh


RUN
	# /... some other commands
    chmod +x ${CATALINA_HOME}/bin/set_app_version.sh && \
    # /... some other commands
    
CMD ${CATALINA_HOME}/bin/set_app_version.sh ${CATALINA_HOME}/bin/catalina.sh run

Popularity 10/10 Helpfulness 3/10 Language shell

Source: github.com

Tags: command

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Contributed on Aug 09 2022

DevPedrada

0 Answers Avg Quality 2/10

update docker env variables

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-1

docker compose up container_name -d

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: docker do

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Contributed on Nov 14 2023

Youssef EL Ouarrat

0 Answers Avg Quality 2/10

set env variable in docker run

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set env variable in docker run

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dockerfile set environment variable from command

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