diff --git a/docs/_sidebar.md b/docs/_sidebar.md
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--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -1,5 +1,6 @@
 - [Installation](installation.md)
 - [Usage](usage.md)
+- [Styleguide](styleguide.md)
 - [Taskfile Versions](taskfile_versions.md)
 - [Examples](examples.md)
 - [Releasing Task](releasing_task.md)
diff --git a/docs/styleguide.md b/docs/styleguide.md
new file mode 100644
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@@ -0,0 +1,213 @@
+# Styleguide
+
+This is the official Task styleguide for `Taskfile.yml` files. This guide
+contains some basic instructions to keep your Taskfile clean and familiar to
+other users.
+
+This contains general guidelines, but don't necessarely need to be strictly
+followed. Feel free to disagree and proceed differently in some point if you
+need or want to. Also, feel free to open issues or pull requests with
+improvements to this guide.
+
+## Use `Taskfile.yml` and not `taskfile.yml`
+
+```yaml
+# bad
+taskfile.yml
+
+
+# good
+Taskfile.yml
+```
+
+This is important to specially to Linux users. Windows and macOS have case
+insensitive filesystems, so `taskfile.yml` will end up working, even that not
+officially supported. On Linux, only `Taskfile.yml` will work, though.
+
+## Use the correct order of keywords
+
+- `version:`
+- `includes:`
+- Configuration ones, like `output:` and `expansions:`
+- `vars:`
+- `env:`
+- `tasks:`
+
+## Use 2 spaces for indentation
+
+This is the most common convention for YAML files, and Task follows it.
+
+```yaml
+# bad
+tasks:
+    foo:
+        cmds:
+            - echo 'foo'
+
+
+# good
+tasks:
+  foo:
+    cmds:
+      - echo 'foo'
+```
+
+## Separate with spaces the mains sections
+
+```yaml
+# bad
+version: 2
+includes:
+  docker: ./docker/Taskfile.yml
+output: prefixed
+expansions: 3
+vars:
+  FOO: bar
+env:
+  BAR: baz
+tasks:
+  # ...
+
+
+# good
+version: 2
+
+includes:
+  docker: ./docker/Taskfile.yml
+
+output: prefixed
+expansions: 3
+
+vars:
+  FOO: bar
+
+env:
+  BAR: baz
+
+tasks:
+  # ...
+```
+
+## Add spaces between tasks
+
+```yaml
+# bad
+version: 2
+
+tasks:
+  foo:
+    cmds:
+      - echo 'foo'
+  bar:
+    cmds:
+      - echo 'bar'
+  baz:
+    cmds:
+      - echo 'baz'
+
+
+# good
+version: 2
+
+tasks:
+  foo:
+    cmds:
+      - echo 'foo'
+
+  bar:
+    cmds:
+      - echo 'bar'
+
+  baz:
+    cmds:
+      - echo 'baz'
+```
+
+## Use upper-case variable names
+
+```yaml
+# bad
+version: 2
+
+vars:
+  binary_name: myapp
+
+tasks:
+  build:
+    cmds:
+      - go build -o {{.binary_name}} .
+
+
+# good
+version: 2
+
+vars:
+  BINARY_NAME: myapp
+
+tasks:
+  build:
+    cmds:
+      - go build -o {{.BINARY_NAME}} .
+```
+
+## Don't wrap vars in spaces when templating
+
+```yaml
+# bad
+version: 2
+
+tasks:
+  greet:
+    cmds:
+      - echo '{{ .MESSAGE }}'
+
+
+# good
+version: 2
+
+tasks:
+  greet:
+    cmds:
+      - echo '{{.MESSAGE}}'
+```
+
+This convention is also used by most people for any Go templating.
+
+## Separate task name words with a dash
+
+```yaml
+# bad
+version: 2
+
+tasks:
+  do_something_fancy:
+    cmds:
+      - echo 'Do something'
+
+
+# good
+version: 2
+
+tasks:
+  do-something-fancy:
+    cmds:
+      - echo 'Do something'
+```
+
+## Use colon for task namespacing
+
+```yaml
+# good
+version: 2
+
+tasks:
+  docker:build:
+    cmds:
+      - docker ...
+
+  docker:run:
+    cmds:
+      - docker-compose ...
+```
+
+This is also done automatically when using included Taskfiles.