starter

devenv.nix

@@ -0,0 +1,41 @@
+{ pkgs, lib, ... }:
+
+{
+  # https://devenv.sh/packages/
+  packages = with pkgs; [
+    bash
+    elixir-ls
+  ] ++ lib.optionals stdenv.isLinux [ inotify-tools libnotify ];
+
+  env = {
+      ERL_AFLAGS = "-kernel shell_history enabled";
+      MIX_REBAR3 = "${pkgs.rebar3.outPath}/bin/rebar3";
+  };
+
+  enterShell = ''
+      export MIX_HOME="$PWD/.nix-mix"
+      export HEX_HOME="$PWD/.nix-hex"
+      mkdir -p "$MIX_HOME"
+      mkdir -p "$HEX_HOME"
+      export ESBUILD_PATH=${pkgs.esbuild}/bin/esbuild
+      [[ "$PATH" =~ "$MIX_HOME/bin" ]] || export PATH="$MIX_HOME/bin:$PATH"
+      [[ "$PATH" =~ "$HEX_HOME/bin" ]] || export PATH="$HEX_HOME/bin:$PATH"
+  '';
+
+  services.postgres = {
+    enable = true;
+    initialScript = ''
+    CREATE USER postgres SUPERUSER;
+    '';
+  };
+
+  services.rabbitmq = {
+    enable = true;
+    managementPlugin = {
+      enable = true;
+    };
+  };
+
+  languages.elixir.enable = true;
+  languages.erlang.enable = true;
+}