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gdf.js
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import fs from 'node:fs'
import url from 'node:url'
import path from 'node:path'
import * as readline from 'node:readline'
import { execSync } from 'node:child_process'
import * as ejs from 'ejs'
import chalk from 'chalk'
import * as Diff from 'diff'
import * as ShellQuote from 'shell-quote'
// defaults for all the flags that will be saved
export const defaults = {
alpine: false,
bun: false,
build: '',
cache: false,
cmd: '',
deferBuild: false,
dev: false,
entrypoint: '',
distroless: false,
ignoreScripts: false,
legacyPeerDeps: false,
link: false,
litefs: false,
litestream: false,
nginxRoot: '',
port: 0,
swap: '',
windows: false,
packages: { base: [], build: [], deploy: [] },
vars: { base: {}, build: {}, deploy: {} },
args: { base: {}, build: {}, deploy: {} },
instructions: { base: null, build: null, deploy: null },
secrets: []
}
const ALPINE_MAPPINGS = {
'build-essential': 'build-base',
'chromium-sandbox': 'chromium-chromedriver',
'node-gyp': 'gyp',
'pkg-config': 'pkgconfig',
python: 'python3',
'python-is-python3': 'python3',
sqlite3: 'sqlite'
}
const __dirname = url.fileURLToPath(new URL('.', import.meta.url))
// Generate Dockerfile class
export class GDF {
static templates = path.join(__dirname, 'templates')
static runners = []
// enable geneator to be extended via mixins
static extend(mixin) {
const descriptors = Object.getOwnPropertyDescriptors(mixin.prototype)
for (const [method, descriptor] of Object.entries(descriptors)) {
if (method === 'run') {
this.runners.push(descriptor.value)
} else if (method !== 'constructor') {
Object.defineProperty(this.prototype, method, descriptor)
}
}
}
// Where the app is. Used both for scanning and is updated with new files.
_appdir = null
// Parsed package.json file contents.
#pj
// which packager is used (npm, pnpm, yarn)
#packager
// previous answer to conflict prompt
#answer = ''
// exit code
#exitCode = 0
// dockerfile exists at the time of invocation
#dockerfileExists = false
get variant() {
return this.options.alpine ? 'alpine' : 'slim'
}
alpinize(packages) {
packages = packages.map(name => ALPINE_MAPPINGS[name] || name)
return [...new Set(packages)].sort()
}
get pkg_update() {
return this.options.alpine ? 'apk update' : 'apt-get update -qq'
}
get pkg_install() {
return this.options.alpine ? 'apk add' : 'apt-get install --no-install-recommends -y'
}
get pkg_cache() {
let caches
if (this.options.alpine) {
caches = { cache: '/var/cache/apk' }
} else {
caches = {
cache: '/var/cache/apt',
lib: '/var/lib/apt'
}
}
return Object.entries(caches).map(([name, path]) =>
`--mount=type=cache,id=${name},target=${path} \\`
).join('\n ')
}
get pkg_cleanup() {
return this.options.alpine ? '/var/cache/apk/*' : '/var/lib/apt/lists /var/cache/apt/archives'
}
get astro() {
return !!(this.#pj.dependencies?.astro)
}
get astroSSR() {
return !!(this.#pj.dependencies?.astro) &&
!!(this.#pj.dependencies?.['@astrojs/node'])
}
get astroStatic() {
return this.astro && !this.astroSSR
}
get svelte() {
return !!(this.#pj.devDependencies?.['@sveltejs/kit'])
}
get vite() {
return !!(this.#pj.scripts?.dev === 'vite')
}
// Does this application use remix.run?
get remix() {
return !!(this.#pj.dependencies?.remix ||
this.#pj.dependencies?.['@remix-run/node'])
}
// Does this application use shopify?
get shopify() {
return fs.existsSync(path.join(this._appdir, 'shopify.app.toml'))
}
// Is this an EpicStack application?
get epicStack() {
return !!this.#pj['epic-stack']
}
// Does this application use prisma?
get prisma() {
return !!(this.#pj.dependencies?.['@prisma/client'] ||
this.#pj.devDependencies?.prisma)
}
get prismaFile() {
const schema = path.join(this._appdir, 'prisma/schema.prisma')
if (!fs.existsSync(schema)) return null
const schemaContent = fs.readFileSync(schema, 'utf-8')
const urlMatch = schemaContent.match(/url\s*=\s*"(.*?)"/)
if (!urlMatch) return null
const url = urlMatch[1]
if (url.startsWith('file:.')) return url.slice(5)
if (url.startsWith('file:')) return URL.parse(url).pathname
}
get prismaEnv() {
const schema = path.join(this._appdir, 'prisma/schema.prisma')
if (!fs.existsSync(schema)) return null
const schemaContent = fs.readFileSync(schema, 'utf-8')
const urlMatch = schemaContent.match(/url\s*=\s*env\("(.*?)"\)/)
if (urlMatch) return urlMatch[1]
}
get prismaSeed() {
return this.prisma && this.#pj.prisma?.seed
}
get meteor() {
return !!this.#pj.dependencies?.['meteor-node-stubs']
}
// Does this application use next.js?
get nextjs() {
return !!this.#pj.dependencies?.next
}
// Experimental nextjs generation?
get nextjsGeneration() {
if (!this.nextjs) return false
if (!this.#pj.scripts.build === 'next build') return false
if (!this.#pj.dependencies.next) return false
const version = this.#pj.dependencies.next.match(/\d[.\d]*/)
if (!version || version[0] < '14.2') return false
return true
}
get standaloneNextjs() {
if (!this.nextjs) return false
if (fs.existsSync(path.join(this._appdir, 'next.config.mjs'))) {
const config = fs.readFileSync(path.join(this._appdir, 'next.config.mjs'), 'utf-8')
return /output\s*:\s*(["'`])standalone\1/.test(config)
} else if (fs.existsSync(path.join(this._appdir, 'next.config.js'))) {
const config = fs.readFileSync(path.join(this._appdir, 'next.config.js'), 'utf-8')
return /output\s*:\s*(["'`])standalone\1/.test(config)
} else return false
}
// Does this application use trpc?
get trpc() {
return !!this.#pj.dependencies?.['@trpc/server'] &&
!!this.#pj.dependencies?.['@trpc/client']
}
// Does this application use nuxt.js?
get nuxtjs() {
return !!this.#pj.dependencies?.nuxt
}
// Does this application use gatsby?
get gatsby() {
return !!this.#pj.dependencies?.gatsby
}
// Does this application use adonisjs?
get adonisjs() {
return !!this.#pj.dependencies?.['@adonisjs/core']
}
get adonisjsFileUpload() {
if (!fs.existsSync(path.join(this._appdir, 'config/drive.ts'))) {
return false
}
const driveConfig = fs.readFileSync(path.join(this._appdir, 'config/drive.ts'), 'utf8')
return driveConfig.includes("Application.tmpPath('uploads')")
}
// Does this application use postgres?
get postgres() {
if (this.prisma) {
try {
const schema = fs.readFileSync(path.join(this._appdir, 'prisma/schema.prisma'), 'utf-8')
if (/^\s*provider\s*=\s*"postgresql"/m.test(schema)) return true
} catch {
}
}
return this.adonisjs && !!this.#pj.dependencies?.pg
}
// Does this application use nest?
get nestjs() {
return !!this.#pj.dependencies?.['@nestjs/core']
}
// Does this application use sqlite3?
get sqlite3() {
if (this.prisma) {
try {
const schema = fs.readFileSync(path.join(this._appdir, 'prisma/schema.prisma'), 'utf-8')
if (/^\s*provider\s*=\s*"sqlite"/m.test(schema)) return true
} catch {
}
}
return !!this.#pj.dependencies?.sqlite3 ||
!!this.#pj.dependencies?.['better-sqlite3'] ||
this.litefs
}
// Does this application use litefs?
get litefs() {
return this.options.litefs ||
!!this.#pj.dependencies?.['litefs-js']
}
get litestream() {
return this.options.litestream
}
// Does this application use puppeteer?
get puppeteer() {
return !!this.#pj.dependencies?.puppeteer ||
!!this.#pj.dependencies?.['puppeteer-core']
}
// Packages needed for base stage
get basePackages() {
const packages = [...this.options.packages.base]
if (this.options.alpine) {
return this.alpinize(packages)
} else {
return packages.sort()
}
}
// Packages needed for build stage
get buildPackages() {
const packages = ['pkg-config', 'build-essential', this.python]
if (!this.bun) {
packages.push('node-gyp')
}
if (this.meteor) {
packages.push('python3-pip', 'g++', 'make', 'curl')
}
// https://docs.npmjs.com/cli/v10/configuring-npm/package-json#git-urls-as-dependencies
if (Object.values(this.#pj.dependencies || {}).some(value => /^git(\+|:|hub:)|^\w+\//.test(value))) {
packages.push('git')
} else if (((this.build || this.dev || this.options.deferBuild) && Object.values(this.#pj.devDependencies || {}).some(value => /^git(\+|:|hub:)|^\w+\//.test(value)))) {
packages.push('git')
}
if (this.prisma) packages.push('openssl')
packages.push(...this.options.packages.build)
if (this.options.alpine) {
return this.alpinize(packages)
} else {
return packages.sort()
}
}
// Does the build script require node?
// This is just an approximation, but too many build scripts actually require node.
get bunNode() {
if (!this.bun) return false
const build = this.#pj.scripts?.build
if (build && fs.existsSync(path.join(this._appdir, `node_modules/.bin/${build.split(' ')[0]}`))) {
const script = fs.readFileSync(path.join(this._appdir, `node_modules/.bin/${build.split(' ')[0]}`), 'utf-8')
return /^#!.*node/.test(script)
}
return false
}
// packages needed for deploy stage
get deployPackages() {
const packages = [...this.options.packages.deploy]
if (this.litefs) packages.push('ca-certificates', 'fuse3')
if (this.litestream) packages.push('ca-certificates', 'wget')
if (this.remix && this.sqlite3) packages.push('sqlite3')
if (this.prisma) packages.push('openssl')
if (this.options.nginxRoot) packages.push('nginx')
if (this.#pj.dependencies?.['fluent-ffmpeg']) packages.push('ffmpeg')
if (this.puppeteer) packages.push('chromium', 'chromium-sandbox')
if (this.options.alpine) {
return this.alpinize(packages)
} else {
return packages.sort()
}
}
sortEnv(env) {
if (Object.values(env).some(value => value.toString().includes('$'))) {
return Object.entries(env)
.map(([name, value]) => `${name}=${JSON.stringify(value)}`)
.join('\nENV ')
} else {
return Object.entries(env).sort((a, b) => a[0].localeCompare(b[0]))
.map(([name, value]) => `${name}=${JSON.stringify(value)}`)
.join(' \\\n ')
}
}
get buildCache() {
if (!this.options.cache) return ''
let id = 'npm'
let target = '/app/.npm'
if (this.yarn) {
id = 'yarn'
if (this.yarnVersion.startsWith('1.')) {
target = '/usr/local/share/.cache/yarn/'
} else {
target = '/app/.yarn/berry/cache'
}
} else if (this.pnpm) {
id = 'pnpm'
target = '/pnpm/store'
} else if (this.bun) {
id = 'bun'
target = '/root/.bun'
}
return `--mount=type=cache,id=${id},target=${target} \\\n `
}
get baseEnv() {
const env = {
NODE_ENV: 'production'
}
return { ...this.options.vars.base, ...env }
}
get buildEnv() {
let env = {}
if (this.options.cache && this.pnpm) {
env = {
PNPM_HOME: '/pnpm',
PATH: '$PNPM_HOME:$PATH'
}
}
return { ...this.options.vars.build, ...env }
}
get deployEnv() {
const env = {}
if (this.sqlite3) {
if (this.epicStack) {
env.DATABASE_FILENAME = 'sqlite.db'
env.LITEFS_DIR = '/litefs'
env.DATABASE_PATH = '$LITEFS_DIR/$DATABASE_FILENAME'
env.DATABASE_URL = 'file://$DATABASE_PATH'
env.CACHE_DATABASE_FILENAME = 'cache.db'
env.CACHE_DATABASE_PATH = '$LITEFS_DIR/$CACHE_DATABASE_FILENAME'
env.PORT = this.port + 1
} else if (!this.prismaFile) {
env.DATABASE_URL = `file:///${this.litefs ? 'litefs' : 'data'}/sqlite.db`
if (this.litefs) env.PORT = this.port + 1
}
}
if (this.nuxtjs) {
env.HOST = 0
}
if (this.adonisjs) {
env.HOST = '0.0.0.0'
env.PORT = '3000'
env.CACHE_VIEWS = 'true'
env.SESSION_DRIVER = 'cookie'
env.DRIVE_DISK = 'local'
if (this.postgres) env.DB_CONNECTION = 'pg'
}
if (this.puppeteer) env.PUPPETEER_EXECUTABLE_PATH = '/usr/bin/chromium'
return { ...this.options.vars.deploy, ...env }
}
emitEnv(env) {
if (Object.values(env).some(value => value.toString().includes('$'))) {
return 'ENV ' + Object.entries(env)
.map(([name, value]) => `${name}=${JSON.stringify(value)}`)
.join('\nENV ')
} else {
return 'ENV ' + Object.entries(env).sort((a, b) => a[0].localeCompare(b[0]))
.map(([name, value]) => `${name}=${JSON.stringify(value)}`)
.join(' \\\n ')
}
}
emitArgs(args) {
return 'ARG ' + Object.entries(args)
.map(([name, value]) => `${name}=${JSON.stringify(value)}`)
.join(' \\\n ')
}
get mountSecrets() {
if (this.options.secrets.length === 0) return ''
const lines = []
for (const secret of this.options.secrets) {
lines.push(`--mount=type=secret,id=${secret}`)
}
for (const secret of this.options.secrets) {
lines.push(`${secret}="$(cat /run/secrets/${secret})"`)
}
lines.push('')
return lines.join(' \\\n ')
}
// what node version should be used?
get nodeVersion() {
const ltsVersion = '20.15.0'
let version = process.version.match(/\d+\.\d+\.\d+/)?.[0] || ltsVersion
if (this.#pj.engines?.node) {
// determine minimal version from package.json
const { node } = this.#pj.engines
const minversion = node.match(/\d+(\.\d+(\.\d+)?)?/)?.[0].split('.')
if (node.includes('>') && !node.includes('=')) {
minversion.push(parseInt(minversion.pop()) + 1)
}
// ensure version is at least the minimum
version = version.split('.')
for (let i = 0; i < version.length; i++) {
if (minversion[i] > version[i]) {
version = minversion
break
} else if (minversion[i] < version[i]) {
break
}
}
version = version.join('.')
}
return version
}
// what bun version should be used?
get bunVersion() {
if (this.#packager !== 'bun') return
try {
return execSync('bun --version', { encoding: 'utf8' })
.match(/\d+\.\d+\.\d+/)?.[0]
} catch {
}
}
// classic version of yarn (installed by default)
yarnClassic = '1.22.21'
// What yarn version should be used?
get yarnVersion() {
const version = this.#pj.packageManager?.match(/(\d+\.\d+\.\d+)/)?.[0] // Should return something like "1.22.10"
if (version !== undefined) {
return version
} else {
try {
return execSync('yarn --version', { encoding: 'utf8' })
.match(/\d+\.\d+\.\d+/)?.[0] || this.yarnClassic
} catch {
return this.yarnClassic
}
}
}
// What pnpm version should be used?
get pnpmVersion() {
try {
return execSync('pnpm --version', { encoding: 'utf8' })
.match(/\d+\.\d+\.\d+/)?.[0] || 'latest'
} catch {
return 'latest'
}
}
// Use gcr.io distroless base image?
get distroless() {
if (!this.options.distroless) return false
if (this.entrypoint) return false
const version = parseInt(this.nodeVersion)
return (version >= 16)
}
// List of package files needed to install
get packageFiles() {
const result = ['package.json']
const files = [
'package-lock.json', '.npmrc',
'pnpm-lock.yaml',
'yarn.lock', '.yarnrc', '.yarnrc.yml',
'bun.lockb', 'bun.lock'
]
for (const file of files) {
if (fs.existsSync(path.join(this._appdir, file))) {
result.push(file)
}
}
return result.sort()
}
// Which packager should be used?
get packager() {
if (this.#packager !== undefined) return this.#packager
const packageFiles = this.packageFiles
if (packageFiles.includes('bun.lockb') || packageFiles.includes('bun.lock')) {
this.#packager = 'bun'
} else if (packageFiles.includes('pnpm-lock.yaml')) {
this.#packager = 'pnpm'
} else if (packageFiles.includes('yarn.lock')) {
this.#packager = 'yarn'
} else if (typeof Bun !== 'undefined') {
this.#packager = 'bun'
} else if (packageFiles.includes('package-lock.json')) {
this.#packager = 'npm'
} else {
this.#packager = 'npm'
}
return this.#packager
}
// install modules needed to run
installModules() {
const modules = []
if (this.options.nginxRoot && !this.#pj.dependencies?.foreman) {
modules.push('foreman')
}
if (this.svelte && !this.#pj.dependencies?.['@sveltejs/adapter-node']) {
modules.push('@sveltejs/adapter-node')
}
if (this.litestream && !this.#pj.dependencies?.['@flydotio/litestream']) {
modules.push('@flydotio/litestream')
}
if (modules.length === 0 || process.env.NODE_ENV === 'test') return
const add = this.packager === 'npm' ? 'install' : 'add'
for (const module of modules) {
execSync(`${this.packager} ${add} ${module}`, { stdio: 'inherit' })
}
}
// install all dependencies in package.json
get packagerInstall() {
let install = `${this.packager} install`
const packageFiles = this.packageFiles
// clean install
if (this.packager === 'npm' && packageFiles.includes('package-lock.json')) {
install = 'npm ci'
} else if (packageFiles.includes('yarn.lock')) {
if (this.yarnVersion.startsWith('1.')) {
install += ' --frozen-lockfile'
} else if (this.yarnVersion.startsWith('2.')) {
install += ' --immutable --immutable-cache --check-cache'
} else {
// yarn 3+
install += ' --immutable'
}
} else if (packageFiles.includes('pnpm-lock.yaml')) {
install += ' --frozen-lockfile'
}
// optionally include dev dependencies if a build is defined
if (this.build || this.dev || this.options.deferBuild) {
if (this.devDependencies) {
if (this.yarn) {
install += ' --production=false'
} else if (this.pnpm) {
install += ' --prod=false'
} else if (!this.bunVersion) {
install += ' --include=dev'
}
}
} else {
if (this.bunVersion) {
install += ' --ci'
}
}
// optionally include legacy peer dependencies
if (this.options.legacyPeerDeps) {
if (this.npm) {
install += ' --legacy-peer-deps'
} else if (this.yarn && !this.yarnVersion.startsWith('1.')) {
install += ' --legacy-peer-deps'
}
}
// optionally include scripts
if (this.options.ignoreScripts) {
install += ' --ignore-scripts'
}
return install
}
// Prune development dependencies
get packagerPrune() {
let prune
if (this.yarn) {
prune = 'yarn install --production=true'
if (this.options.legacyPeerDeps && !this.yarnVersion.startsWith('1.')) {
prune += ' --legacy-peer-deps'
}
} else if (this.pnpm) {
prune = 'pnpm prune --prod'
} else if (this.bunVersion) {
prune = 'rm -rf node_modules && \\\n bun install --ci'
} else {
prune = 'npm prune --omit=dev'
if (this.options.legacyPeerDeps) prune += ' --legacy-peer-deps'
}
return prune
}
// Is the packager yarn?
get yarn() {
return this.packager === 'yarn'
}
// Is the packager npm?
get npm() {
return this.packager === 'npm'
}
// Is the packager pnpm?
get pnpm() {
return this.packager === 'pnpm'
}
// Is the packager bun?
get bun() {
return this.options.bun || this.packager === 'bun'
}
// How to install python (switched from buster to bullseye)
get python() {
return parseInt(this.nodeVersion.split('.')[0]) > 16 ? 'python-is-python3' : 'python'
}
// Are there any development dependencies?
get devDependencies() {
return !!this.#pj.devDependencies
}
// Include devDependencies?
get dev() {
if (!this.devDependencies) return false
// frameworks that include migration dependencies in devDependencies
if (this.nestjs) return true
if (this.adonisjs) return true
return this.options.dev
}
// Is there a build script?
get build() {
if (this.options.build) return this.options.build
if (this.#pj.scripts?.build) {
if (this.nextjsGeneration) {
return `${this.npx} next build --experimental-build-mode compile`
} else if (this.packager === 'bun' && this.bunNode) {
return 'bun --bun run build'
} else {
return `${this.packager} run build`
}
}
}
// Descriptive form of detected runtime
get runtime() {
let runtime = 'Node.js'
if (this.astro) runtime = 'Astro'
if (this.vite) runtime = 'Vite'
if (this.bunVersion) runtime = 'Bun'
if (this.remix) runtime = 'Remix'
if (this.meteor) runtime = 'Meteor'
if (this.nextjs) runtime = 'Next.js'
if (this.nuxtjs) runtime = 'Nuxt'
if (this.nestjs) runtime = 'NestJS'
if (this.gatsby) runtime = 'Gatsby'
if (this.svelte) runtime = 'SvelteKit'
if (this.adonisjs) runtime = 'AdonisJS'
if (this.prisma) runtime += '/Prisma'
return runtime
}
get user() {
return this.runtime.split('/')[0].replaceAll('.', '').toLowerCase()
}
get foreman() {
if (this.options.nginxRoot) return true
}
get npx() {
return this.bun ? 'bunx' : 'npx'
}
// command to start the web server
get startCommand() {
if (this.options.cmd) return this.options.cmd
if (this.foreman) {
return [this.npx, 'foreman', 'start', '--procfile', 'Procfile.prod']
} else if (this.standaloneNextjs) {
return ['node', 'server.js']
} else if (this.remix && this.#pj.scripts?.start === 'remix-serve build') {
return [this.npx, 'remix-serve', './build/index.js']
}
if (this.options.distroless) {
const start = this.#pj.scripts.start
const parsed = ShellQuote.parse(start)
return parsed
}
if (this.adonisjs) {
return ['node', '/app/build/server.js']
} else if (this.nuxtjs) {
return ['node', '.output/server/index.mjs']
} else if (this.meteor) {
return ['node', 'main.js']
} else if (this.gatsby) {
return [this.npx, 'gatsby', 'serve', '-H', '0.0.0.0']
} else if (this.vite || this.astroStatic) {
return ['/usr/sbin/nginx', '-g', 'daemon off;']
} else if (this.astroSSR) {
return ['node', './dist/server/entry.mjs']
} else if (this.runtime === 'Node.js' && this.#pj.scripts?.start?.includes('fastify')) {
let start = this.#pj.scripts.start
if (!start.includes('-a') && !start.includes('--address')) {
start = start.replace('start', 'start --address 0.0.0.0')
}
start = start.split(' ')
start.unshift(this.npx)
return start
} else if (this.#pj.scripts?.start) {
return [this.packager, 'run', 'start']
} else if (this.#pj.type === 'module' && this.#pj.module) {
return [this.packager === 'bun' ? 'bun' : 'node', this.#pj.module]
} else if (this.#pj.main) {
return [this.packager === 'bun' ? 'bun' : 'node', this.#pj.main]
} else if (this.svelte) {
return [this.bun ? 'bun' : 'node', './build/index.js']
} else if (this.packager === 'bun') {
return ['bun', 'index.ts']
} else {
return ['node', 'index.js']
}
}
// Entrypoint script
get entrypoint() {
if (this.options.entrypoint) return JSON.stringify(this.options.entrypoint)
if (!((this.prisma && this.sqlite3) ||
(this.options.swap && !this.flySetup()) ||
this.nextjsGeneration ||
this.adonisjs)) return null
const entrypoint = [`/app/${this.configDir}docker-entrypoint.js`]
if (this.litefs) entrypoint.unshift('litefs', 'mount', '--')
return JSON.stringify(entrypoint, null, 1).replace(/\n\s*/g, ' ')
}
// determine if the entrypoint needs to be adjusted to run on Linux
// generally only needed when developing on windows
get entrypointFixups() {
const fixups = []
const entrypoint = path.join(this._appdir, 'docker-entrypoint.js')
const stat = fs.statSync(entrypoint, { throwIfNoEntry: false })
if (!stat) return fixups
if (this.options.windows || !(stat.mode & fs.constants.S_IXUSR)) {
fixups.push('chmod +x ./docker-entrypoint.js')
}
if (this.options.windows || fs.readFileSync(entrypoint, 'utf-8').includes('\r')) {
fixups.push('sed -i "s/\\r$//g" ./docker-entrypoint.js')
}
return fixups
}
// Tabs vs spaces
get usingTabs() {
// disable for now as remix isn't using this generator and it conflicts with eslint
return false // this.remix
}
// ESM vs CJS
get typeModule() {
return this.#pj.type === 'module'
}
// Port to be used
get port() {
if (this.options.port) return this.options.port
let port = 3000
if (this.gatsby) port = 8080
if (this.runtime === 'Vite' || this.astroStatic) port = 80
if (this.astroSSR) port = 4321
return port
}
get configDir() {
if (this.remix && fs.existsSync('./other')) {
return 'other/'
} else {
return ''
}
}
// render each template and write to the destination dir
async run(appdir, options = {}) {
this.options = options
this._appdir = appdir
this.#pj = JSON.parse(fs.readFileSync(path.join(appdir, 'package.json'), 'utf-8'))
this.#dockerfileExists = fs.existsSync(path.join(appdir, 'Dockerfile'))
// backwards compatibility with previous definition of --build=defer
if (options.build === 'defer') {
options.deferBuild = true
options.build = ''
}
// install modules needed to run
this.installModules()
if (options.force) this.#answer = 'a'
// read instructions
for (const stage of ['base', 'build', 'deploy']) {
if (options.instructions?.[stage]) {
try {
options.instructions[stage] = fs.readFileSync(
path.join(this._appdir, options.instructions[stage]),
'utf-8'
).trimEnd()
} catch (error) {
console.error(error)
options.instructions[stage] = ''
}
}
}
// select and render templates
const templates = {
'Dockerfile.ejs': 'Dockerfile'
}
if (this.entrypoint) {
if (!this.#dockerfileExists || this.options.force) {
templates['docker-entrypoint.ejs'] = `${this.configDir}docker-entrypoint.js`
} else if (this.setupScriptType === 'dbsetup') {
templates['docker-entrypoint.ejs'] = `${this.configDir}dbsetup.js`
}
}
if (this.litefs) {
templates['litefs.yml.ejs'] = `${this.configDir}litefs.yml`
}
if (this.litestream && this.prismaFile) {
templates['litestream.yml.ejs'] = `${this.configDir}litestream.yml`
this.path = path
}
if (this.options.nginxRoot) {
this.options.nginxRoot = path.join('/app', this.options.nginxRoot)