diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..fe89f94
--- /dev/null
+++ b/Dockerfile
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+FROM ubuntu:latest
+
+RUN apt update
+RUN apt install -y git
+
+COPY conflicts /conflicts
+
+ENTRYPOINT ["/conflicts"]
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diff --git a/README.md b/README.md
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+++ b/README.md
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+# integration-branch-merge-conflicts action
+
+This action checks if the current branch would produce merge conflicts when merged to a given integration branch.
+
+## Inputs
+
+### `branch`
+
+**Required** The name of the integration branch. Default `"main"`.
+
+## How to use it?
+This is a Github action, so it has to be added to a github workflow.  
+A simple example of running this action on all pushes to the repository would be
+add a `main.yml` file under `.github/workflows` with the following content
+```yaml
+on: [push]
+
+jobs:
+  merge_conflict_job:
+    runs-on: ubuntu-latest
+    name: Find merge conflicts
+    steps:
+      # Checkout the source code so we have some files to look at.
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0 #Required : Since we need to read the history
+      # Run the actual merge conflict detection
+      - name: Merge Conflict detection
+        uses: siscodeorg/integration-branch-merge-conflicts@v1.0
+```
+For this example, each push would trigger the merge conflict detection.
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diff --git a/action.yml b/action.yml
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+++ b/action.yml
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+name: 'siscodeorg/integration-branch-merge-conflicts'
+description: 'This action checks if the current branch would produce merge conflicts when merged to a given integration branch.'
+inputs:
+  branch:
+    description: 'The name of the integration branch.'
+    required: true
+    default: 'main'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.branch }}
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diff --git a/conflicts b/conflicts
new file mode 100644
index 0000000..e76b9ac
--- /dev/null
+++ b/conflicts
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+#!/bin/bash -l
+if
+	git merge-tree $(git merge-base origin/$1 HEAD) origin/$1 HEAD | grep -F -q "<<<<<<<"
+then
+	echo "Found conflict marker"
+	exit 1
+fi
+
+echo "No conflicts found"
+exit 0