Import your .env files to GitHub Actions and generate a Kamal .env.erb referencing all of them

import_dotenv_to_gh_and_kamal.sh

#!/bin/bash

# Check if .env file is provided as argument
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 <path-to-.env-file>"
    exit 1
fi

ENV_FILE=$1

# Ensure gh is authenticated
gh auth status
if [ $? -ne 0 ]; then
    echo "You must authenticate with the GitHub CLI first using 'gh auth login'"
    exit 1
fi

# Initialize the .env.erb file for Kamal and all example files
ENV_ERB_FILE=".env.erb"
ENV_GH_EXAMPLE_FILE=".env.gh-actions.example"
ENV_GH_EXAMPLE2_FILE=".env.gh-actions.example2"
rm $ENV_ERB_FILE > /dev/null 2>&1
rm $ENV_GH_EXAMPLE_FILE > /dev/null 2>&1
rm $ENV_GH_EXAMPLE2_FILE > /dev/null 2>&1

# Read the .env file and set secrets
while IFS= read -r line
do
    if [[ ! -z "$line" && "$line" != \#* ]]; then
        KEY=$(echo $line | cut -d '=' -f 1)
        VALUE=$(echo $line | cut -d '=' -f 2-)

        # Remove leading and trailing quotes
        VALUE=$(echo $VALUE | sed -e 's/^"//' -e 's/"$//')
        VALUE=$(echo $VALUE | sed -e "s/^'//" -e "s/'$//")
        
        gh secret set $KEY -b "$VALUE"
        if [ $? -eq 0 ]; then
            echo "$KEY=<%= ENV[\"$KEY\"] %>" >> $ENV_ERB_FILE
            echo "$KEY: {{ secrets.$KEY }}" >> $ENV_GH_EXAMPLE_FILE
            echo "- $KEY" >> $ENV_GH_EXAMPLE2_FILE
            echo "✓ Wrote $KEY to $ENV_ERB_FILE and $ENV_GH_EXAMPLE_FILE, $ENV_GH_EXAMPLE2_FILE"
        else
            echo "❌ Failed to set secret $KEY"
        fi
    fi
done < "$ENV_FILE"

printf "\n🎉 Process done: set secret values in github, generated .env.erb for Kamal, and generated copy-pasta example yml to easily reference secrets in gh actions\n"