RAGFlow go API server (#13240)

# RAGFlow Go Implementation Plan 🚀

This repository tracks the progress of porting RAGFlow to Go. We'll
implement core features and provide performance comparisons between
Python and Go versions.

## Implementation Checklist

- [x] User Management APIs
- [x] Dataset Management Operations
- [x] Retrieval Test
- [x] Chat Management Operations
- [x] Infinity Go SDK

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>
Co-authored-by: Yingfeng Zhang <yingfeng.zhang@gmail.com>

.github/workflows/tests.yml

@@ -129,13 +129,14 @@ jobs:
             fi
           fi
 
-      - name: Run unit test
+      - name: Build ragflow go server
         run: |
-          uv sync --python 3.12 --group test --frozen
-          source .venv/bin/activate
-          which pytest || echo "pytest not in PATH"
-          echo "Start to run unit test"
-          python3 run_tests.py
+          BUILDER_CONTAINER=ragflow_build_$(od -An -N4 -tx4 /dev/urandom | tr -d ' ')
+          echo "BUILDER_CONTAINER=${BUILDER_CONTAINER}" >> ${GITHUB_ENV}
+          TZ=${TZ:-$(readlink -f /etc/localtime | awk -F '/zoneinfo/' '{print $2}')}
+          sudo docker run --privileged -d --name ${BUILDER_CONTAINER} -e TZ=${TZ} -e UV_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple -v ${PWD}:/ragflow -v ${PWD}/internal/cpp/resource:/usr/share/infinity/resource infiniflow/infinity_builder:ubuntu22_clang20
+          sudo docker exec ${BUILDER_CONTAINER} bash -c "git config --global safe.directory \"*\" && cd /ragflow && ./build.sh --cpp"
+          ./build.sh --go
 
       - name: Build ragflow:nightly
         run: |
@@ -152,6 +153,14 @@ jobs:
           echo "HTTP_API_TEST_LEVEL=${HTTP_API_TEST_LEVEL}" >> ${GITHUB_ENV}
           echo "RAGFLOW_CONTAINER=${GITHUB_RUN_ID}-ragflow-cpu-1" >> ${GITHUB_ENV}
 
+      - name: Run unit test
+        run: |
+          uv sync --python 3.12 --group test --frozen
+          source .venv/bin/activate
+          which pytest || echo "pytest not in PATH"
+          echo "Start to run unit test"
+          python3 run_tests.py
+
       - name: Start ragflow:nightly
         run: |
           # Determine runner number (default to 1 if not found)