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118 lines
4.6 KiB
Markdown
118 lines
4.6 KiB
Markdown
HackMD
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===
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[](https://gitter.im/hackmdio/hackmd?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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HackMD is a realtime collaborative markdown notes on all platforms.
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Inspired by Hackpad, but more focusing on speed and flexibility.
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Still in early stage, feel free to fork or contribute to this.
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Thanks for your using! :smile:
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Browsers Requirement
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---
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- Chrome >= 45, Chrome for Android >= 47
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- Safari >= 9, iOS Safari >= 8.4
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- Firefox >= 44
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- IE >= 9, Edge >= 12
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- Opera >= 34, Opera Mini not supported
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- Android Browser >= 4.4
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Prerequisite
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---
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- Node.js 4.x or up (test up to 5.2.0)
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- PostgreSQL 9.3.x or 9.4.x
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- MongoDB 3.0.x
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- npm and bower
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Get started
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---
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1. Download a release and unzip or clone into a directory
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2. Enter the directory and type `npm install && bower install`, will install all the dependencies
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3. Install PostgreSQL and MongoDB (yes, currently we need both)
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4. Import database schema, see more on below
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5. Setup the configs, see more on below
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6. Setup environment variables, which will overwrite the configs
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7. Run the server as you like (node, forever, pm2)
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Import database schema
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---
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The notes are store in PostgreSQL, the schema is in the `hackmd_schema.sql`
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To import the sql file in PostgreSQL, see http://www.postgresql.org/docs/9.4/static/backup-dump.html
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The users, temps and sessions are store in MongoDB, which don't need schema, so just make sure you have the correct connection string.
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Structure
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---
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```
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hackmd/
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├── tmp/ --- temporary files
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├── lib/ --- server libraries
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└── public/ --- client files
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├── css/ --- css styles
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├── js/ --- js scripts
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├── vendor/ --- vendor includes
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└── views/ --- view templates
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```
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Configuration files
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---
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There are some config you need to change in below files
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```
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./config.js --- for server settings
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./public/js/index.js --- for client settings
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```
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Client-side index.js settings
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---
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| variables | example values | description |
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| --------- | ------ | ----------- |
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| debug | `true` or `false` | set debug mode, show more logs |
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| version | `0.3.2` | current version, must match same var in server side `config.js` |
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Environment variables
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---
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| variables | example values | description |
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| --------- | ------ | ----------- |
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| NODE_ENV | `production` or `development` | show current environment status |
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| DATABASE_URL | `postgresql://user:pass@host:port/hackmd` | PostgreSQL connection string |
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| MONGOLAB_URI | `mongodb://user:pass@host:port/hackmd` | MongoDB connection string |
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| PORT | `80` | web port |
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| SSLPORT | `443` | ssl web port |
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| DOMAIN | `localhost` | domain name |
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Server-side config.js settings
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---
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| variables | example values | description |
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| --------- | ------ | ----------- |
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| testport | `3000` | debug web port, fallback to this when not set in environment |
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| testsslport | `3001` | debug web ssl port, fallback to this when not set in environment |
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| usessl | `true` or `false` | set to use ssl |
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| urladdport | `true` or `false` | set to add port on oauth callback url |
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| debug | `true` or `false` | set debug mode, show more logs |
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| usecdn | `true` or `false` | set to use CDN resources or not |
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| version | `0.3.2` | currnet version, must match same var in client side `index.js` |
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| alloworigin | `['localhost']` | domain name whitelist |
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| sslkeypath | `./cert/client.key` | ssl key path |
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| sslcertpath | `./cert/hackmd_io.crt` | ssl cert path |
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| sslcapath | `['./cert/COMODORSAAddTrustCA.crt']` | ssl ca chain |
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| tmppath | `./tmp/` | temp file path |
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| postgresqlstring | `postgresql://user:pass@host:port/hackmd` | PostgreSQL connection string, fallback to this when not set in environment |
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| mongodbstring | `mongodb://user:pass@host:port/hackmd` | MongoDB connection string, fallback to this when not set in environment |
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| sessionname | `connect.sid` | cookie session name |
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| sessionsecret | `secret` | cookie session secret |
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| sessionlife | `14 * 24 * 60 * 60 * 1000` | cookie session life |
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| sessiontouch | `1 * 3600` | cookie session touch |
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| heartbeatinterval | `5000` | socket.io heartbeat interval |
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| heartbeattimeout | `10000` | socket.io heartbeat timeout |
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| documentmaxlength | `100000` | note max length |
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| facebook, twitter, github, dropbox, imgur | multiple values | your own api keys, see source code for details |
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Operational Transformation
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---
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From 0.3.2, we start support operational transformation.
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Which make concurrent editing safe and not break up other users' operations.
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Even more, now can show other clients' selections.
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See more at http://operational-transformation.github.io/
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**License under MIT.**
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