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35 lines
1.1 KiB
Bash
35 lines
1.1 KiB
Bash
#!/bin/bash
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# This script is used to inject env variables in Docker after the build.
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# Normally the env variables get injecten while the build. This means, you can't add env variables when you start the conatainer.
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# Source of the script: https://raphaelpralat.medium.com/system-environment-variables-in-next-js-with-docker-1f0754e04cde
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set +x
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envFilename='.env'
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nextFolder='./.next/'
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function apply_path {
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# read all config file
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while read line; do
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# no comment or not empty
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if [ "${line:0:1}" == "#" ] || [ "${line}" == "" ]; then
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continue
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fi
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# split
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configName="$(cut -d'=' -f1 <<<"$line")"
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configValue="$(cut -d'=' -f2 <<<"$line")"
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# get system env
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envValue=$(env | grep "^$configName=" | grep -oe '[^=]*$');
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# if config found
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if [ -n "$configValue" ] && [ -n "$envValue" ]; then
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# replace all
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echo "Replace: ${configValue} with: ${envValue}"
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find $nextFolder \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i "s#$configValue#$envValue#g"
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fi
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done < $envFilename
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}
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apply_path
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echo "Starting Nextjs"
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exec "$@" |