63 lines
1.8 KiB
Markdown
63 lines
1.8 KiB
Markdown
# Phoenix Flake Template
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This is a template for constructing a environment for Elixir development
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(version 1.15.7, Erlang/OTP 25) with the [Phoenix](https://www.phoenixframework.org/)
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(version 1.7.10) framework. [direnv](https://direnv.net/) can be used to launch
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a dev shell upon entering this directory (refer to `.envrc`). Otherwise run via:
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```bash
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$> nix develop
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```
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## Quickstart
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An empty Postgres cluster is initialized at `/data`. To start the database, run
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the following:
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```bash
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$> pg_ctl start -o --unix_socket_directories="$PWD/data"
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```
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To shut the database down, run:
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```bash
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$> pg_ctl stop
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```
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You can connect to this database from the project root directory by running:
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```bash
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$> psql -h "$PWD/data" -d postgres
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```
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Afterward, you can run the Phoenix setup commands:
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```bash
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$> mix ecto.setup
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$> mix assets.setup
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```
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and then start the local server:
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```bash
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$> mix phx.server
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```
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## Dependencies
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This project pins Mix dependencies using [mix2nix](https://github.com/ydlr/mix2nix).
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After updating your `mix.lock` file, make sure to re-run the following:
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```bash
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mix2nix > deps.nix
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```
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As of now, `mix2nix` cannot handle git dependencies found inside the `mix.lock`
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file. If you have git dependencies, add them manually or use
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[FODs](https://nixos.org/manual/nixpkgs/stable/#packaging-beam-applications).
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## Language Server
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The [elixir-ls](https://github.com/elixir-lsp/elixir-ls) LSP (version 0.17.10)
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is included in this flake.
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## Formatting
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Formatting depends on the `mix format` task. A `pre-commit` hook is included in
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`.githooks` that can be used to format all `*.exs?` files prior to commit.
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Install via:
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```bash
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$> git config --local core.hooksPath .githooks/
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```
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If running [direnv](https://direnv.net/), this hook is installed automatically
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when entering the directory.
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