116 lines
4.6 KiB
Markdown
116 lines
4.6 KiB
Markdown
---
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title: macOS
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---
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# Installing DEV on macOS
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## Installing prerequisites
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### Ruby
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1. If you don't already have a Ruby version manager, we highly recommend [rbenv](https://github.com/rbenv/rbenv). Please follow their [installation guide](https://github.com/rbenv/rbenv#installation).
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2. With the Ruby version manager, install the Ruby version listed on our badge. (ie with rbenv: `rbenv install 2.6.3`)
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### Yarn
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Please refer to their [installation guide](https://yarnpkg.com/en/docs/install).
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### PostgreSQL
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DEV requires PostgreSQL version 9.4 or higher. The easiest way to get started is to use [Postgres.app](https://postgresapp.com/). Alternatively, check out the official [PostgreSQL](https://www.postgresql.org/) site for more installation options.
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For additional configuration options, check our [PostgreSQL setup guide](/installation/postgresql).
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## Installing DEV
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1. Fork DEV's repository, eg. <https://github.com/thepracticaldev/dev.to/fork>
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1. Clone your forked repository, eg. `git clone https://github.com/<your-username>/dev.to.git`
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1. Install bundler with `gem install bundler`
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1. Set up your environment variables/secrets
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- Take a look at `Envfile`. This file lists all the `ENV` variables we use and provides a fake default for any missing keys. You'll need to get your own free [Algolia credentials](/backend/algolia) to get your development environment running.
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- The [backend guide](/backend) will show you how to get free API keys for additional services that may be required to run certain parts of the app.
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- For any key that you wish to enter/replace:
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1. Create `config/application.yml` by copying from the provided template (ie. with bash: `cp config/sample_application.yml config/application.yml`). This is a personal file that is ignored in git.
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1. Obtain the development variable and apply the key you wish to enter/replace. ie:
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```shell
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GITHUB_KEY: "SOME_REAL_SECURE_KEY_HERE"
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GITHUB_SECRET: "ANOTHER_REAL_SECURE_KEY_HERE"
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```
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- If you are missing `ENV` variables on bootup, the [envied](https://rubygems.org/gems/envied) gem will alert you with messages similar to `'error_on_missing_variables!': The following environment variables should be set: A_MISSING_KEY.`.
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- You do not need "real" keys for basic development. Some features require certain keys, so you may be able to add them as you go.
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1. Run `bin/setup`
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### Possible error messages
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**Error:** `rbenv: version '<version number>' is not installed (set by /Path/To/Local/Repository/.ruby-version)`
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**_Solution:_** Run the command `rbenv install <version number>`
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---
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**Error:** `ruby-build: definition not found: <version number>` when `rbenv` was installed via `brew`.
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```shell
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ruby-build: definition not found: <version number>
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See all available versions with `rbenv install --list`.
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If the version you need is missing, try upgrading ruby-build:
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```
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**_Solution:_**
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Run the following to update `ruby-build`, `brew update && brew upgrade ruby-build`. After that, rerun `rbenv install <version number>` and that version will get installed.
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---
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**Error:**
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```shell
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== Preparing database ==
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Sorry, you can't use byebug without Readline. To solve this, you need to
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rebuild Ruby with Readline support. If using Ubuntu, try `sudo apt-get
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install libreadline-dev` and then reinstall your Ruby.
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rails aborted!
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LoadError: dlopen(/Users/<username>/.rbenv/versions/2.6.3/lib/ruby/2.6.0/x86_64-darwin18/readline.bundle, 9): Library not loaded: /usr/local/opt/readline/lib/libreadline.<some version number>.dylib
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```
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**_Solution:_** Run `ln -s /usr/local/opt/readline/lib/libreadline.dylib /usr/local/opt/readline/lib/libreadline.<some version number>.dylib` from the command line then run `bin/setup` again. You may have a different version or libreadline, so replace `<some version number>` with the version that errored.
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---
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**Error:**
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```shell
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PG::Error: ERROR: invalid value for parameter "TimeZone": "UTC"
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: SET time zone 'UTC'
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```
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**_Solution:_** Restart your Postgres.app, or, if you installed PostgreSQL with Homebrew, restart with:
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```shell
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brew services restart postgresql
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```
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If that doesn't work, reboot your Mac.
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---
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**Error:**
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```shell
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ERROR: Error installing pg:
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ERROR: Failed to build gem native extension.
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[...]
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Can't find the 'libpq-fe.h header
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*** extconf.rb failed ***
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```
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**_Solution:_** You may encounter this when installing PostgreSQL with the Postgres.app. Try restarting the app and reinitializing the database. If that doesn't work, install PostgreSQL with Homebrew instead: `brew install postgresql`
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---
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> If you encountered any errors that you subsequently resolved, **please consider updating this section** with your errors and their solutions.
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