Add more documentation on how to start server

This was so hard :pf:

.gitignore

@@ -37,4 +37,4 @@
 !/app/assets/builds/.keep
 
 .DS_Store
-# Ignore Mac system files
+# Ignore Mac system files

README.md

@@ -4,7 +4,7 @@ Welcome to the Hack Club Highways.
 
 ## Local development
 
-To run this project, you need to first install `ruby`, `ruby-stdlib`, `postgresql-libs` and `gem`.
+To run this project, you need to first install `ruby`, `ruby-stdlib`, `postgresql`, `postgresql-libs`, `docker` and `gem`.
 
 Then, add the following to your `.zshrc` or `.bashrc` to activate the ruby development environment:
 ```zsh
@@ -17,7 +17,30 @@ Restart your terminal session, and run the following code at the root of the clo
 gem install rails
 gem install kamal
 bundle install --gemfile /home/cyao/Developer/highway/Gemfile
+
+# Get a sample postgres database.yml
+wget https://gist.githubusercontent.com/jwo/4512764/raw/f04e2b7cc94c2d8a63c21dd53741d3d56bc5b021/postgres.database.yml -o config/database.yml
 ```
 
-At last, run the executable at `./bin/dev` to start up the development server.
+Now, create a postgresql database:
+```
+sudo su -l postgres -c "initdb --locale=C.UTF-8 --encoding=UTF8 -D '/var/lib/postgres/data'"
+sudo su -l postgres
+$ createuser --interactive
+Enter name of role to add: sample_postgres
+Shall the new role be a superuser? (y/n) y
+$ createdb sample_postgres_development
+$ createdb sample_postgres_test
+$ createdb sample_postgres_production
+$ exit
+```
+
+Start the docker server:
+```zsh
+bin/rails credentials:edit
+docker build . --tag highway:latest
+docker run highway
+```
+
+At last, run the executable at `./bin/setup` to start up the development server!
 

example.env

@@ -1 +1 @@
-SECRET_KEY_BASE=your_actual_secret_key_here
+SECRET_KEY_BASE=your_actual_secret_key_here