diff --git a/.github/workflows/docker-release.yml b/.github/workflows/docker-release.yml
new file mode 100644
index 0000000..87bc2fe
--- /dev/null
+++ b/.github/workflows/docker-release.yml
@@ -0,0 +1,76 @@
+name: Publish Docker image
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to registry
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: hibobmaster/iplookupserver
+          tags: |
+            type=raw,value=latest
+            type=ref,event=tag
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push Docker image(dockerhub)
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Docker metadata(ghcr)
+        id: meta2
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/hibobmaster/iplookupserver
+          tags: |
+            type=raw,value=latest
+            type=sha,format=long
+
+      - name: Build and push Docker image(ghcr)
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta2.outputs.tags }}
+          labels: ${{ steps.meta2.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..68bc17f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,160 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..65dfb28
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,15 @@
+FROM python:3.11-alpine as base
+
+FROM base as pybuilder
+# RUN sed -i 's|v3\.\d*|edge|' /etc/apk/repositories
+COPY requirements.txt /requirements.txt
+RUN pip install --user -r /requirements.txt && rm /requirements.txt
+
+FROM base as runner
+COPY --from=pybuilder /root/.local /usr/local
+COPY . /app
+
+FROM runner
+WORKDIR /app
+EXPOSE 8000
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers"]
\ No newline at end of file
diff --git a/README.md b/README.md
index 30e189e..e72a00d 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,18 @@
-# ip-info-lookup-server
\ No newline at end of file
+# ip-info-lookup-server
+仿照 ip.p3terx.com 样式构建的ip信息查询服务
+
+
+## Usage
+GET / get ip info from your ip address
+
+POST / get json-formatted ip info from your ip address
+
+GET /ip/{ip} get json-formatted ip info
+
+POST /ip/{ip} get json-formatted ip info
+
+Example:
+```bash
+curl ip.qqs.tw
+curl ip.qqs.tw/ip/114.114.114.114
+```
\ No newline at end of file
diff --git a/compose.yaml b/compose.yaml
new file mode 100644
index 0000000..d1b11eb
--- /dev/null
+++ b/compose.yaml
@@ -0,0 +1,7 @@
+services:
+  app:
+    image: hibobmaster/iplookupserver:test
+    ports:
+      - "127.0.0.1:8000:8000"
+    restart: no
+    # restart:unless-stopped
\ No newline at end of file
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..7394468
--- /dev/null
+++ b/main.py
@@ -0,0 +1,36 @@
+from fastapi import FastAPI, Request
+from fastapi.responses import PlainTextResponse, JSONResponse
+from mmdb_func import ip_validator
+from results import struct_ip_info_str, struct_ip_info
+
+app = FastAPI()
+
+
+@app.get("/", response_class=PlainTextResponse)
+def rootg(request: Request):
+    return (
+        struct_ip_info_str(request.client.host)
+        + "\n\n"
+        + request.headers.get("User-Agent")
+    )
+
+
+@app.post("/")
+def rootp(request: Request):
+    return JSONResponse(content=struct_ip_info(request.client.host), status_code=200)
+
+
+@app.get("/ip/{ip}", response_class=PlainTextResponse)
+def ipg(ip: str, request: Request):
+    if ip_validator(ip):
+        return struct_ip_info_str(ip) + "\n" + request.headers.get("User-Agent")
+    else:
+        return {"error": "invalid ip address"}
+
+
+@app.post("/ip/{ip}")
+def ipp(ip: str):
+    if ip_validator(ip):
+        return JSONResponse(content=struct_ip_info(ip), status_code=200)
+    else:
+        return JSONResponse(content={"error": "invalid ip address"}, status_code=400)
diff --git a/mmdb/GeoLite2-ASN.mmdb b/mmdb/GeoLite2-ASN.mmdb
new file mode 100644
index 0000000..f38bcca
Binary files /dev/null and b/mmdb/GeoLite2-ASN.mmdb differ
diff --git a/mmdb/GeoLite2-Country.mmdb b/mmdb/GeoLite2-Country.mmdb
new file mode 100644
index 0000000..3a9b1c5
Binary files /dev/null and b/mmdb/GeoLite2-Country.mmdb differ
diff --git a/mmdb_func.py b/mmdb_func.py
new file mode 100644
index 0000000..ce76c48
--- /dev/null
+++ b/mmdb_func.py
@@ -0,0 +1,40 @@
+import ipaddress
+import geoip2.database
+import geoip2.errors
+
+
+class MMDB:
+    def __init__(self, asn_db_path: str, country_db_path: str):
+        self.asn_reader = geoip2.database.Reader(asn_db_path)
+        self.country_reader = geoip2.database.Reader(country_db_path)
+
+    def get_asn_num(self, ip: str) -> int:
+        try:
+            return self.asn_reader.asn(ip).autonomous_system_number
+        except geoip2.errors.AddressNotFoundError:
+            return "N/A"
+
+    def get_asn_org(self, ip: str) -> str:
+        try:
+            return self.asn_reader.asn(ip).autonomous_system_organization
+        except geoip2.errors.AddressNotFoundError:
+            return "N/A"
+
+    def get_country_iso(self, ip: str) -> str:
+        try:
+            return self.country_reader.country(ip).country.iso_code
+        except geoip2.errors.AddressNotFoundError:
+            return "N/A"
+
+    def get_country_name(self, ip: str) -> str:
+        try:
+            return self.country_reader.country(ip).country.name
+        except geoip2.errors.AddressNotFoundError:
+            return "N/A"
+
+
+def ip_validator(ip: str):
+    try:
+        return True if ipaddress.ip_address(ip) else False
+    except ValueError:
+        return False
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..9e983a9
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+fastapi
+uvicorn
+geoip2
\ No newline at end of file
diff --git a/results.py b/results.py
new file mode 100644
index 0000000..e4bf232
--- /dev/null
+++ b/results.py
@@ -0,0 +1,29 @@
+from mmdb_func import MMDB
+
+mmdb = MMDB("mmdb/GeoLite2-ASN.mmdb", "mmdb/GeoLite2-Country.mmdb")
+
+
+def struct_ip_info(ip: str) -> dict:
+    return {
+        "ip": ip,
+        "asn": {
+            "num": mmdb.get_asn_num(ip),
+            "org": mmdb.get_asn_org(ip),
+        },
+        "country": {
+            "iso": mmdb.get_country_iso(ip),
+            "name": mmdb.get_country_name(ip),
+        },
+    }
+
+
+def struct_ip_info_str(ip: str) -> str:
+    return (
+        f"{ip}\n"
+        + f"{mmdb.get_country_iso(ip)} / {mmdb.get_country_name(ip)}\n"
+        + (
+            f"AS{mmdb.get_asn_num(ip)} / {mmdb.get_asn_org(ip)}\n"
+            if mmdb.get_asn_num(ip) != "N/A"
+            else "N/A"
+        )
+    )
diff --git a/tests/api.http b/tests/api.http
new file mode 100644
index 0000000..7be59b2
--- /dev/null
+++ b/tests/api.http
@@ -0,0 +1,11 @@
+# ("/")
+###
+GET http://127.0.0.1:8000/
+###
+POST http://127.0.0.1:8000/
+
+# ("/ip")
+###  
+GET http://127.0.0.1:8000/ip/114.114.114.114
+###
+POST http://127.0.0.1:8000/ip/119.29.29.29
\ No newline at end of file
diff --git a/tests/test_mmdb.py b/tests/test_mmdb.py
new file mode 100644
index 0000000..7b1632e
--- /dev/null
+++ b/tests/test_mmdb.py
@@ -0,0 +1,19 @@
+from mmdb_func import MMDB, ip_validator
+
+mmdb = MMDB("mmdb/GeoLite2-ASN.mmdb", "mmdb/GeoLite2-Country.mmdb")
+real_ip = "114.114.114.114"
+bad_ip = "aaa.xxx.ccc.ddd"
+
+
+class TestClass:
+    def test_ip_validator(self):
+        assert ip_validator(real_ip) is True
+        assert ip_validator(bad_ip) is False
+
+    def test_get_asn(self):
+        assert mmdb.get_asn_num(real_ip) == 174
+        assert mmdb.get_asn_org(real_ip) == "COGENT-174"
+
+    def test_get_country(self):
+        assert mmdb.get_country_iso(real_ip) == "CN"
+        assert mmdb.get_country_name(real_ip) == "China"