feat(docker): generation and hooks
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@ -19,5 +19,23 @@ export const hooks = {
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ports: {3000: 3000},
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},
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}),
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};
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/**
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*
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* @param {string} dockerfile The content of the Dockerfile.
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*
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* @returns The new content of the Dockerfile.
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*/
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'@flecks/docker.Dockerfile': (dockerfile) => (
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dockerfile.replace('DEBUG=*', 'DEBUG=*,-*:silly')
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),
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/**
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*
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* @param {Object} config The object representing the docker compose configuration.
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*/
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'@flecks/docker.docker-compose.yml': (config) => {
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config.version = '3.1';
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},
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};
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@ -1,10 +1,12 @@
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import {spawn} from 'child_process';
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import {writeFile} from 'fs/promises';
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import {join, relative} from 'path';
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import {join} from 'path';
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import {D} from '@flecks/core';
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import {dumpYml} from '@flecks/core/server';
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import {generateComposeConfig, generateDockerFile} from './generate';
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const {
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FLECKS_CORE_ROOT = process.cwd(),
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} = process.env;
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@ -26,105 +28,32 @@ export default (program, flecks) => {
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compose,
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tag,
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} = opts;
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const output = join(FLECKS_CORE_ROOT, 'dist');
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const lines = [
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"version: '3'",
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'services:',
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'',
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];
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const dockerFile = generateDockerFile(flecks);
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const composeConfig = await generateComposeConfig(flecks);
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const composeFile = dumpYml(composeConfig);
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const id = flecks.get('@flecks/core.id');
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const appServiceName = `${id}_app`;
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const services = {
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[appServiceName]: {
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build: {
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context: '..',
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dockerfile: 'dist/Dockerfile',
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},
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environment: {
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FLECKS_ENV_FLECKS_DOCKER_SERVER_enabled: 'false',
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},
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volumes: [
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'../node_modules:/var/www/node_modules',
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],
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},
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};
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const containers = flecks.invoke('@flecks/docker.containers');
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(
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await Promise.all(
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Object.entries(containers)
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.map(async ([fleck, config]) => {
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Object.entries(await config)
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.forEach(([key, config]) => {
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services[key] = {image: config.image, environment: {}, ...config.extra};
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});
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return [
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`FLECKS_ENV_${flecks.constructor.environmentalize(fleck)}`,
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config,
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];
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}),
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)
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)
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// Set environment.
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.forEach(([prefix, config]) => {
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Object.values(config)
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.forEach((config) => {
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Object.entries(config.environment || {})
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.forEach(([configService, environment]) => {
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Object.entries(environment || {})
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.forEach(([key, value]) => {
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const [realKey, realService] = 'app' === configService
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? [`${prefix}_${key}`, appServiceName]
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: [key, configService];
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services[realService].environment[realKey] = value;
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});
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});
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});
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});
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Object.entries(services)
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.forEach(([key, service]) => {
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lines.push(
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...dumpYml({[key]: service})
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.split('\n')
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.map((line) => ` ${line}`),
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);
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});
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const composeFile = join(output, 'docker-compose.yml');
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const output = join(FLECKS_CORE_ROOT, 'dist');
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debug('writing %s...', composeFile);
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await writeFile(
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join(output, 'docker-compose.yml'),
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composeFile,
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lines
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.map((line) => ('' === line.trim() ? '' : line))
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.join('\n'),
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);
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const dockerFile = join(output, 'Dockerfile');
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debug('writing %s...', dockerFile);
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await writeFile(
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join(output, 'Dockerfile'),
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dockerFile,
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[
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'FROM node:20',
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'',
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'RUN mkdir -p /var/www',
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'WORKDIR /var/www',
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'COPY package.json /var/www',
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'COPY build /var/www/build',
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'COPY dist /var/www/dist',
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'',
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'ENV DEBUG=*',
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'ENV NODE_ENV=production',
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'',
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'CMD ["node", "./dist/index.js"]',
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'',
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'VOLUME /var/www/node_modules',
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'',
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].join('\n'),
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);
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/* eslint-disable no-console */
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console.log();
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console.log('Outputs:');
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console.log();
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console.group();
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console.log(relative(FLECKS_CORE_ROOT, composeFile));
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console.log(relative(FLECKS_CORE_ROOT, dockerFile));
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console.group('dist');
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console.group('Dockerfile');
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console.log(dockerFile);
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console.groupEnd();
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console.group('docker-compose.yml');
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console.log(composeFile);
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console.groupEnd();
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console.groupEnd();
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console.log();
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/* eslint-enable no-console */
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74
packages/docker/src/generate.js
Normal file
74
packages/docker/src/generate.js
Normal file
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@ -0,0 +1,74 @@
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export const generateDockerFile = (flecks) => {
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const dockerfile = [
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'FROM node:20',
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'',
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'RUN mkdir -p /var/www',
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'WORKDIR /var/www',
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'COPY package.json /var/www',
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'COPY build /var/www/build',
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'COPY dist /var/www/dist',
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'',
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'ENV DEBUG=*',
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'ENV NODE_ENV=production',
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'',
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'CMD ["node", "./dist/index.js"]',
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'',
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'VOLUME /var/www/node_modules',
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'',
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].join('\n');
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return flecks.invokeComposed('@flecks/docker.Dockerfile', dockerfile);
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};
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export const generateComposeConfig = async (flecks) => {
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const id = flecks.get('@flecks/core.id');
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const appServiceName = `${id}_app`;
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const services = {
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[appServiceName]: {
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build: {
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context: '..',
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dockerfile: 'dist/Dockerfile',
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},
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environment: {
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FLECKS_ENV_FLECKS_DOCKER_SERVER_enabled: 'false',
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},
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volumes: [
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'../node_modules:/var/www/node_modules',
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],
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},
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};
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const containers = flecks.invoke('@flecks/docker.containers');
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(
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await Promise.all(
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Object.entries(containers)
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.map(async ([fleck, config]) => {
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Object.entries(await config)
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.forEach(([key, config]) => {
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services[key] = {image: config.image, environment: {}, ...config.extra};
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});
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return [
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`FLECKS_ENV_${flecks.constructor.environmentalize(fleck)}`,
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config,
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];
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}),
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)
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)
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// Set environment.
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.forEach(([prefix, config]) => {
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Object.values(config)
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.forEach((config) => {
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Object.entries(config.environment || {})
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.forEach(([configService, environment]) => {
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Object.entries(environment || {})
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.forEach(([key, value]) => {
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const [realKey, realService] = 'app' === configService
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? [`${prefix}_${key}`, appServiceName]
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: [key, configService];
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services[realService].environment[realKey] = value;
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});
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});
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});
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});
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const config = {version: '3', services};
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flecks.invoke('@flecks/docker.docker-compose.yml', config);
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return config;
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};
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33
packages/docker/src/plugin.js
Normal file
33
packages/docker/src/plugin.js
Normal file
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@ -0,0 +1,33 @@
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import {dumpYml} from '@flecks/core/server';
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import {generateComposeConfig, generateDockerFile} from './generate';
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class FlecksDockerOutput {
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constructor(options) {
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this.options = options;
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}
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// eslint-disable-next-line class-methods-use-this
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apply(compiler) {
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compiler.hooks.compilation.tap('FlecksDockerOutput', (compilation) => {
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compilation.hooks.additionalAssets.tapAsync('FlecksDockerOutput', async (callback) => {
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const dockerFile = generateDockerFile(this.options.flecks);
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compilation.assets.Dockerfile = {
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source: () => dockerFile,
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size: () => dockerFile.length,
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};
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const composeConfig = await generateComposeConfig(this.options.flecks);
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const composeFile = dumpYml(composeConfig);
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compilation.assets['docker-compose.yml'] = {
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source: () => composeFile,
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size: () => composeFile.length,
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};
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callback();
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});
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});
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}
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}
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export default FlecksDockerOutput;
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@ -1,7 +1,14 @@
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import commands from './commands';
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import FlecksDockerOutput from './plugin';
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import startContainer from './start-container';
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export const hooks = {
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'@flecks/core.build': (target, config, env, argv, flecks) => {
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if ('server' !== target) {
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return;
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}
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config.plugins.push(new FlecksDockerOutput({flecks}));
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},
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'@flecks/core.config': () => ({
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/**
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* Whether to run docker containers.
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