diff --git a/.github/workflows/orion-server-deploy.yml b/.github/workflows/orion-server-deploy.yml
new file mode 100644
index 000000000..7bdcf33c0
--- /dev/null
+++ b/.github/workflows/orion-server-deploy.yml
@@ -0,0 +1,60 @@
+name: Orion server deploy
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '.github/workflows/orion-server-deploy.yml'
+      - 'orion-server/**'
+
+env:
+  AWS_ECS_CLUSTER_NAME: ${{ secrets.AWS_ECS_CLUSTER_NAME }}
+  AWS_ECS_WEB_SERVICE_NAME: ${{ secrets.AWS_ECS_WEB_SERVICE_NAME }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  orion-server-deploy:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.base.ref }}
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: us-east-1
+
+      - name: Login to Amazon ECR Public
+        id: login-ecr-public
+        uses: aws-actions/amazon-ecr-login@v2
+        with:
+          registry-type: public
+
+      - name: Build, tag, and push docker image to Amazon ECR Public
+        env:
+          REGISTRY: ${{ steps.login-ecr-public.outputs.registry }}
+          REGISTRY_ALIAS: m8q5m4u3
+          REPOSITORY: mega
+          IMAGE_TAG: orion-server-0.1.0-pre-release
+        run: |
+          docker buildx build -t $REGISTRY/$REGISTRY_ALIAS/$REPOSITORY:$IMAGE_TAG -f orion-server/Dockerfile .
+          docker push $REGISTRY/$REGISTRY_ALIAS/$REPOSITORY:$IMAGE_TAG
+
+      - name: Force ECS redeploy
+        run: |
+          aws ecs update-service \
+            --cluster ${{ secrets.AWS_ECS_CLUSTER_NAME }} \
+            --service orion-server-dev-service-om0caign \
+            --force-new-deployment
+        env:
+          AWS_REGION: ap-southeast-2
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
diff --git a/ceres/src/api_service/mono_api_service.rs b/ceres/src/api_service/mono_api_service.rs
index f171dda77..3fe9ba0b7 100644
--- a/ceres/src/api_service/mono_api_service.rs
+++ b/ceres/src/api_service/mono_api_service.rs
@@ -20,6 +20,7 @@ use mercury::internal::object::tree::{Tree, TreeItem, TreeItemMode};
 
 use crate::api_service::ApiHandler;
 use crate::model::git::CreateFileInfo;
+use crate::model::mr::MrDiffFile;
 
 #[derive(Clone)]
 pub struct MonoApiService {
@@ -421,6 +422,74 @@ impl MonoApiService {
             .await?;
         Ok(())
     }
+
+    pub async fn mr_files_list(
+        &self,
+        old_files: Vec<(PathBuf, SHA1)>,
+        new_files: Vec<(PathBuf, SHA1)>,
+    ) -> Result<Vec<MrDiffFile>, MegaError> {
+        let old_files: HashMap<PathBuf, SHA1> = old_files.into_iter().collect();
+        let new_files: HashMap<PathBuf, SHA1> = new_files.into_iter().collect();
+        let unions: HashSet<PathBuf> = old_files.keys().chain(new_files.keys()).cloned().collect();
+        let mut res = vec![];
+        for path in unions {
+            let old_hash = old_files.get(&path);
+            let new_hash = new_files.get(&path);
+            match (old_hash, new_hash) {
+                (None, None) => {}
+                (None, Some(new)) => res.push(MrDiffFile::New(path, *new)),
+                (Some(old), None) => res.push(MrDiffFile::Deleted(path, *old)),
+                (Some(old), Some(new)) => {
+                    if old == new {
+                        continue;
+                    } else {
+                        res.push(MrDiffFile::Modified(path, *old, *new));
+                    }
+                }
+            }
+        }
+        Ok(res)
+    }
+
+    pub async fn get_commit_blobs(
+        &self,
+        commit_hash: &str,
+    ) -> Result<Vec<(PathBuf, SHA1)>, MegaError> {
+        let mut res = vec![];
+        let mono_storage = self.storage.services.mono_storage.clone();
+        let commit = mono_storage.get_commit_by_hash(commit_hash).await?;
+        if let Some(commit) = commit {
+            let tree = mono_storage.get_tree_by_hash(&commit.tree).await?;
+            if let Some(tree) = tree {
+                let tree: Tree = tree.into();
+                res = self.traverse_tree(tree).await?;
+            }
+        }
+        Ok(res)
+    }
+
+    async fn traverse_tree(&self, root_tree: Tree) -> Result<Vec<(PathBuf, SHA1)>, MegaError> {
+        let mut result = vec![];
+        let mut stack = vec![(PathBuf::new(), root_tree)];
+
+        while let Some((base_path, tree)) = stack.pop() {
+            for item in tree.tree_items {
+                let path = base_path.join(&item.name);
+                if item.is_tree() {
+                    let child = self
+                        .storage
+                        .mono_storage()
+                        .get_tree_by_hash(&item.id.to_string())
+                        .await?
+                        .unwrap();
+                    stack.push((path.clone(), child.into()));
+                } else {
+                    result.push((path, item.id));
+                }
+            }
+        }
+        Ok(result)
+    }
 }
 
 #[cfg(test)]
@@ -428,7 +497,7 @@ mod test {
     use std::path::PathBuf;
 
     #[test]
-    pub fn test() {
+    pub fn test_path() {
         let mut full_path = PathBuf::from("/project/rust/mega");
         for _ in 0..3 {
             let cloned_path = full_path.clone(); // Clone full_path
diff --git a/ceres/src/model/mod.rs b/ceres/src/model/mod.rs
index c2bf1c3ee..62f977232 100644
--- a/ceres/src/model/mod.rs
+++ b/ceres/src/model/mod.rs
@@ -1 +1,2 @@
 pub mod git;
+pub mod mr;
\ No newline at end of file
diff --git a/ceres/src/model/mr.rs b/ceres/src/model/mr.rs
new file mode 100644
index 000000000..3b1f9c472
--- /dev/null
+++ b/ceres/src/model/mr.rs
@@ -0,0 +1,12 @@
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+
+use mercury::hash::SHA1;
+
+#[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
+pub enum MrDiffFile {
+    New(PathBuf, SHA1),
+    Deleted(PathBuf, SHA1),
+    // path, old_hash, new_hash
+    Modified(PathBuf, SHA1, SHA1),
+}
diff --git a/mono/src/api/api_router.rs b/mono/src/api/api_router.rs
index e93e4206d..65ed7ccb5 100644
--- a/mono/src/api/api_router.rs
+++ b/mono/src/api/api_router.rs
@@ -289,6 +289,18 @@ pub async fn get_blob_file(
     }
 }
 
+// Get tree as file
+#[utoipa::path(
+    get,
+    path = "/file/tree",
+    params(
+        TreeQuery
+    ),
+    responses(
+        (status = 200, body = CommonResult<Vec<TreeHashItem>>, content_type = "application/json")
+    ),
+    tag = GIT_TAG
+)]
 pub async fn get_tree_file(
     state: State<MonoApiServiceState>,
     Query(query): Query<TreeQuery>,
diff --git a/mono/src/api/mr/mod.rs b/mono/src/api/mr/mod.rs
index 41155218c..2f37f523f 100644
--- a/mono/src/api/mr/mod.rs
+++ b/mono/src/api/mr/mod.rs
@@ -1,3 +1,6 @@
+use std::str::FromStr;
+
+use ceres::model::mr::MrDiffFile;
 use serde::{Deserialize, Serialize};
 
 use callisto::{
@@ -106,3 +109,32 @@ impl MuiTreeNode {
 pub struct SaveCommentRequest {
     pub content: String,
 }
+
+#[derive(Serialize, ToSchema)]
+pub struct MrFilesRes {
+    pub path: String,
+    pub sha: String,
+    pub action: String,
+}
+
+impl From<MrDiffFile> for MrFilesRes {
+    fn from(value: MrDiffFile) -> Self {
+        match value {
+            MrDiffFile::New(path, sha) => Self {
+                path: path.to_string_lossy().to_string(),
+                sha: sha.to_string(),
+                action: String::from_str("new").unwrap(),
+            },
+            MrDiffFile::Deleted(path, sha) => Self {
+                path: path.to_string_lossy().to_string(),
+                sha: sha.to_string(),
+                action: String::from_str("deleted").unwrap(),
+            },
+            MrDiffFile::Modified(path, _, new) => Self {
+                path: path.to_string_lossy().to_string(),
+                sha: new.to_string(),
+                action: String::from_str("modified").unwrap(),
+            },
+        }
+    }
+}
diff --git a/mono/src/api/mr/mr_router.rs b/mono/src/api/mr/mr_router.rs
index 96ed84324..cfe417d97 100644
--- a/mono/src/api/mr/mr_router.rs
+++ b/mono/src/api/mr/mr_router.rs
@@ -1,4 +1,4 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, path::PathBuf};
 
 use axum::{
     extract::{Path, State},
@@ -14,10 +14,12 @@ use common::{
 use saturn::ActionEnum;
 
 use crate::api::{
-    api_common,
-    api_common::model::{AssigneeUpdatePayload, LabelUpdatePayload, ListPayload},
+    api_common::{
+        self,
+        model::{AssigneeUpdatePayload, LabelUpdatePayload, ListPayload},
+    },
     issue::ItemRes,
-    mr::{FilesChangedList, MRDetail, MuiTreeNode, SaveCommentRequest},
+    mr::{FilesChangedList, MRDetail, MrFilesRes, MuiTreeNode, SaveCommentRequest},
     oauth::model::LoginUser,
 };
 use crate::api::{util, MonoApiServiceState};
@@ -33,6 +35,7 @@ pub fn routers() -> OpenApiRouter<MonoApiServiceState> {
             .routes(routes!(close_mr))
             .routes(routes!(reopen_mr))
             .routes(routes!(mr_files_changed))
+            .routes(routes!(mr_files_list))
             .routes(routes!(save_comment))
             .routes(routes!(delete_comment))
             .routes(routes!(labels))
@@ -247,6 +250,45 @@ async fn mr_files_changed(
     Ok(Json(res))
 }
 
+/// Get Merge Request file list
+#[utoipa::path(
+    get,
+    params(
+        ("link", description = "MR link"),
+    ),
+    path = "/{link}/files-list",
+    responses(
+        (status = 200, body = CommonResult<Vec<MrFilesRes>>, content_type = "application/json")
+    ),
+    tag = MR_TAG
+)]
+async fn mr_files_list(
+    Path(link): Path<String>,
+    state: State<MonoApiServiceState>,
+) -> Result<Json<CommonResult<Vec<MrFilesRes>>>, ApiError> {
+    let mr = state
+        .mr_stg()
+        .get_mr(&link)
+        .await?
+        .ok_or(MegaError::with_message("MR Not Found"))?;
+
+    let stg = state.monorepo();
+    let old_files = stg.get_commit_blobs(&mr.from_hash).await?;
+    let new_files = stg.get_commit_blobs(&mr.to_hash).await?;
+    let mr_diff_files = stg.mr_files_list(old_files, new_files.clone()).await?;
+
+    let mr_base = PathBuf::from(mr.path);
+    let res = mr_diff_files
+        .into_iter()
+        .map(|m| {
+            let mut item: MrFilesRes = m.into();
+            item.path = mr_base.join(item.path).to_string_lossy().to_string();
+            item
+        })
+        .collect::<Vec<MrFilesRes>>();
+    Ok(Json(CommonResult::success(Some(res))))
+}
+
 /// Add new comment on Merge Request
 #[utoipa::path(
     post,