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/* next.config.js */
    
    const webpack = require('webpack');
    require('dotenv').config();
    
    module.exports = {
      webpack: config => {
        const env = Object.keys(process.env).reduce((acc, curr) => {
          acc[`process.env.${curr}`] = JSON.stringify(process.env[curr]);
          return acc;
        }, {});
        
        config.plugins.push(new webpack.DefinePlugin(env));
        
        return config;
      }
    };