diff --git a/{{cookiecutter.project_slug}}/.gitignore b/{{cookiecutter.project_slug}}/.gitignore
index 1bd36b929..2b9338a9e 100644
--- a/{{cookiecutter.project_slug}}/.gitignore
+++ b/{{cookiecutter.project_slug}}/.gitignore
@@ -170,6 +170,9 @@ typings/
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
 # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
+# All
+.idea/
+
 # User-specific stuff:
 .idea/**/workspace.xml
 .idea/**/tasks.xml
@@ -348,3 +351,9 @@ vendors.js
 {{ cookiecutter.project_slug }}/static/webpack_bundles/
 webpack-stats.json
 {%- endif %}
+
+# Environments
+.env
+.envs/*
+!.envs/.local/
+.certificates/