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@kevinmcmahon
Created November 1, 2023 17:51
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Quick script to deploy a SPA to a S3 bucket. Extracted from aws-samples/amazon-cognito-passwordless-auth and tweaked.
#!/usr/bin/env node
process.env.AWS_SDK_LOAD_CONFIG = '1';
const {default: s3SpaUpload} = require('s3-spa-upload');
const fs = require('fs');
const path = require('path');
const proc = require('node:child_process');
proc.execFileSync('yarn', ['run', 'build', ...process.argv.slice(2)], {
cwd: __dirname,
stdio: 'inherit',
env: {
...process.env,
VITE_APP_BUILD_DATE: new Date().toISOString(),
},
});
s3SpaUpload(path.join(__dirname, 'dist'), readEnvFile(), {
cacheControlMapping: {
'index.html': 'public,max-age=10,stale-while-revalidate=31536000',
'*.js': 'public,max-age=31536000,immutable',
'*.js.map': 'public,max-age=31536000,immutable',
'*.css': 'public,max-age=31536000,immutable',
'*.svg': 'public,max-age=86400,stale-while-revalidate=31536000',
},
delete: true,
});
function readEnvFile() {
function tryReadEntry(fname) {
try {
// eslint-disable-next-line security/detect-non-literal-fs-filename
return fs
.readFileSync(path.join(__dirname, fname), 'utf8')
.split('\n')
.filter((l) => !!l && l.startsWith('CDK_STACK_SPA_BUCKET_NAME'))
.at(0)
?.replace('CDK_STACK_SPA_BUCKET_NAME=', '');
} catch {
return;
}
}
const spaBucketName = tryReadEntry('.env.local') ?? tryReadEntry('.env');
if (!spaBucketName) {
throw new Error('Failed to read CDK_STACK_SPA_BUCKET_NAME config from .env file');
}
return spaBucketName;
}
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