vue.config.js

const {gitDescribeSync} = require('git-describe');
process.env.VUE_APP_GIT_HASH = gitDescribeSync().hash

module.exports = {
    outputDir: "./build",
    css: {
        loaderOptions: {
            sass: {
                prependData: '@import "@/scss/_variables.scss";'
            }
        }
    },
    chainWebpack: config => {
        config.module
            .rule('vue')
            .use('vue-loader')
            .loader('vue-loader')
            .tap(options => {
                options.transformAssetUrls = {
                    img: 'src',
                    image: 'xlink:href',
                    'b-avatar': 'src',
                    'b-img': 'src',
                    'b-img-lazy': ['src', 'blank-src'],
                    'b-card': 'img-src',
                    'b-card-img': 'src',
                    'b-card-img-lazy': ['src', 'blank-src'],
                    'b-carousel-slide': 'img-src',
                    'b-embed': 'src'
                }

                return options
            })
    }
};