diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..56cc685
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,67 @@
+# Generated from CLion C/C++ Code Style settings
+BasedOnStyle: LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: Consecutive
+AlignConsecutiveMacros: AcrossEmptyLinesAndComments
+AlignOperands: Align
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterReturnType: None
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: true
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakInheritanceList: BeforeColon
+ColumnLimit: 0
+CompactNamespaces: false
+ContinuationIndentWidth: 8
+IndentCaseLabels: true
+IndentPPDirectives: None
+IndentWidth: 4
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: All
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PointerAlignment: Right
+ReflowComments: false
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+TabWidth: 4
+UseTab: Never
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
new file mode 100644
index 0000000..54f5094
--- /dev/null
+++ b/.github/workflows/pr.yml
@@ -0,0 +1,25 @@
+name: CI-PR
+
+on: [pull_request]
+
+jobs:
+  clang-format:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: clang-format
+      run: |
+        docker run --rm -v ${PWD}:/src  wiiuenv/clang-format:13.0.0-2 -r ./source ./include
+  build-lib:
+    runs-on: ubuntu-18.04
+    needs: clang-format
+    steps:
+    - uses: actions/checkout@v2
+    - name: build lib
+      run: |
+        docker build . -f Dockerfile.buildlocal -t builder
+        docker run --rm -v ${PWD}:/project builder make
+    - uses: actions/upload-artifact@master
+      with:
+       name: lib
+       path: "lib/*.a"
\ No newline at end of file
diff --git a/.github/workflows/push_image.yml b/.github/workflows/push_image.yml
index 9cd7bbd..df6eb37 100644
--- a/.github/workflows/push_image.yml
+++ b/.github/workflows/push_image.yml
@@ -4,8 +4,16 @@ on:
     branches:
       - master
 jobs:
+  clang-format:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: clang-format
+      run: |
+        docker run --rm -v ${PWD}:/src  wiiuenv/clang-format:13.0.0-2 -r ./source ./include
   build:
     runs-on: ubuntu-latest
+    needs: clang-format
     steps:
     - uses: actions/checkout@master
     - name: Get release version
diff --git a/Dockerfile.buildlocal b/Dockerfile.buildlocal
new file mode 100644
index 0000000..080eec7
--- /dev/null
+++ b/Dockerfile.buildlocal
@@ -0,0 +1,3 @@
+FROM wiiuenv/devkitppc:20211229
+
+WORKDIR project
\ No newline at end of file
diff --git a/README.md b/README.md
index b5825ce..d3d17ab 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![Publish Docker Image](https://github.com/wiiu-env/libmappedmemory/actions/workflows/push_image.yml/badge.svg)](https://github.com/wiiu-env/libmappedmemory/actions/workflows/push_image.yml)
+
 # libmemorymapping
 Requires the [MemoryMappingModule](https://github.com/wiiu-env/MemoryMappingModule) to be running via [WUMSLoader](https://github.com/wiiu-env/WUMSLoader).
 Requires [wut](https://github.com/devkitPro/wut) for building.
@@ -27,4 +29,8 @@ COPY --from=wiiuenv/libmappedmemory:[tag] /artifacts $DEVKITPRO
 [...]
 ```
 Replace [tag] with a tag you want to use, a list of tags can be found [here](https://hub.docker.com/r/wiiuenv/libmappedmemory/tags). 
-It's highly recommended to pin the version to the **latest date** instead of using `latest`.
\ No newline at end of file
+It's highly recommended to pin the version to the **latest date** instead of using `latest`.
+
+## Format the code via docker
+
+`docker run --rm -v ${PWD}:/src wiiuenv/clang-format:13.0.0-2 -r ./source ./include -i`
\ No newline at end of file
diff --git a/include/memory/mappedmemory.h b/include/memory/mappedmemory.h
index 857484a..bcc98b5 100644
--- a/include/memory/mappedmemory.h
+++ b/include/memory/mappedmemory.h
@@ -1,8 +1,7 @@
 #pragma once
 
 #ifdef __cplusplus
-extern "C"
-{
+extern "C" {
 #endif
 
 #include <stdint.h>