vega-frontend-monorepo/entrypoint.sh
2023-03-27 11:03:06 +02:00

44 lines
1.1 KiB
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#!/bin/bash
set -e
# Recreate config file
env_file=/usr/share/nginx/html/assets/env-config.js
mkdir -p $(dirname $env_file)
rm -rf $env_file || echo "no file to delete"
touch $env_file
env_vars_file=/usr/share/nginx/html/.env
sed -i '/^#/d' $env_vars_file # remove comment lines
sed -i '/^$/d' $env_vars_file # remove empty lines
# Add assignment
echo "window._env_ = {" >> $env_file
# Read each line in .env file
# Each line represents key=value pairs
while read -r line || [[ -n "$line" ]];
do
# Split env variables by character `=`
if printf '%s\n' "$line" | grep -q -e '='; then
varname=$(printf '%s\n' "$line" | sed -e 's/=.*//')
varvalue=$(printf '%s\n' "$line" | sed -e 's/^[^=]*=//')
fi
# Read value of current variable if exists as Environment variable
value=$(printf '%s\n' "${!varname}")
# Otherwise use value from .env file
[[ -z $value ]] && value=${varvalue}
# Append configuration property to JS file if non-empty
if [ ! -z "$varname" ]; then
echo " $varname: \"$value\"," >> $env_file
fi
done < $env_vars_file
rm $env_vars_file
echo "}" >> $env_file
# start serving
nginx -g 'daemon off;'