Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.
To learn more about migrations, check out this article on the different types of database migrations!
| # Build for 206 MB JRE 1.8.0_60 (192 MB in size) with Alping and glibc | |
| FROM alpine:3.2 | |
| ENV JRE=jre1.8.0_60 \ | |
| JAVA_HOME=/opt/jre | |
| # That's the an EA from OpenJDK.net | |
| # Courtesy to https://github.com/frol/docker-alpine-oraclejdk8 from where the setup of glibc is borrowed |
| Let’s Get Started | |
| Our box is freshly hatched, virgin pixels at the prompt. I favor Ubuntu; if you use another version of linux, your commands may vary. Five minutes to go: | |
| passwd | |
| Change the root password to something long and complex. You won’t need to remember it, just store it somewhere secure - this password will only be needed if you lose the ability to log in over ssh or lose your sudo password. | |
| apt-get update | |
| apt-get upgrade |
| echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc | |
| . ~/.bashrc | |
| mkdir ~/local | |
| mkdir ~/node-latest-install | |
| cd ~/node-latest-install | |
| curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1 | |
| ./configure --prefix=~/local | |
| make install # ok, fine, this step probably takes more than 30 seconds... | |
| curl https://www.npmjs.org/install.sh | sh |