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Last pushed: 2 months ago
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HackMD lets you create realtime collaborative markdown notes on all platforms.
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docker-hackmd

migration-to-0.5.0

We don't use LZString to compress socket.io data and DB data after version 0.5.0.
Please run the migration tool if you're upgrading from the old version.

  1. Stop your hackmd containers
  2. Modify docker-compose.yml, add expose ports 5432 to hackmdPostgres
  3. docker-compose up to start your hackmd containers
  4. Backup DB (see below)
  5. Git clone above migration-to-0.5.0 and npm install (see more on above link)
  6. Modify config.json in migration-to-0.5.0, change its username, password and host to your docker
  7. Run migration (see more on above link)
  8. Stop your hackmd containers
  9. Modify docker-compose.yml, remove expose ports 5432 in hackmdPostgres
  10. git pull in docker-hackmd, update to version 0.5.0 (see below)

Prerequisite

  • git
  • docker (docker toolbox recommended)
  • docker-compose (included in the docker toolbox)

See more here: https://www.docker.com/docker-toolbox

Get started

  1. Start you docker via Docker Quickstart Terminal, you will see a machine IP (remember that).
  2. Run git clone https://github.com/hackmdio/docker-hackmd.git.
  3. Run docker-compose up in your docker terminal.
  4. Wait until see th log HTTP Server listening at port 3000, it will take few minutes based on your internet.
  5. Open any browser and surf <machine IP>:3000

Update

Start your docker and enter the terminal, follow below commands:

cd docker-hackmd ## enter the directory
git pull ## pull new commits
docker-compose pull ## pull new containers
docker-compose up ## turn on

Backup

Start your docker and enter the terminal, follow below commands:

  • run docker ps to check all your containers
    ➜  ~  docker ps
    CONTAINER ID        IMAGE                 COMMAND                  CREATED             STATUS              PORTS                    NAMES
    2c04d7b1b8d4        dockerhackmd_hackmd   "/bin/bash /hackmd/do"   3 days ago          Up 17 seconds       0.0.0.0:3000->3000/tcp   dockerhackmd_hackmd_1
    4949b888c1cb        postgres              "/docker-entrypoint.s"   3 days ago          Up 18 seconds       5432/tcp                 dockerhackmd_db-postgres_1
    
  • backup postgresql by docker exec <postgresql_container_id> pg_dump hackmd -U postgres > <postgresql_backup_name>
    ➜  ~  docker exec 4949b888c1cb pg_dump hackmd -U postgres > postgresql_backup.sql
    
  • copy your backup out of container by docker cp <container_id>:<backup_path> <host_path>

Restore

Similar to backup steps, but last command is

➜  ~  cat postgresql_backup.sql | docker exec -i <container_id> psql -U hackmd

Custom build

The default setting would use pre-build docker image, follow below steps to customize your HackMD.

  1. Modify docker-compose.yml at line 8 image: hackmdio/hackmd:0.4.5 to build: hackmd.
  2. Change the config file hackmd/config.json, guide here.
  3. Run docker-compose build --no-cache in the docker terminal to build your own image.
  4. Then docker-compose up to startup.

Happy HackMD :smile:

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hackmdio
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