[+] Dockerize

Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.13-slim
+
+# Install dependencies: Fastapi and uvicorn
+RUN pip install fastapi uvicorn
+
+# Copy ./server to /app
+COPY ./server /app
+WORKDIR /app
+
+# Run the server
+CMD ["python", "host.py"]

docker-compose.yml

@@ -0,0 +1,9 @@
+name: Colorful Link
+services:
+  slither:
+    build: .
+    container_name: slither
+    ports:
+      - 51562:51562
+    volumes:
+      - ./server/data:/app/data

server/host.py

@@ -1,5 +1,6 @@
 import json
 import random
+import tempfile
 from fastapi.responses import RedirectResponse
 import uvicorn
 from subprocess import check_output
@@ -65,6 +66,22 @@ async def get_puzzle(id: str):
     return json.loads(tf.read_text())
 
 
+@app.post("/solve")
+async def input_request(request: Request):
+    body = (await request.body()).decode().replace("\r\n", "\n")
+
+    # Write body to a file
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tf = Path(tmpdir) / "puzzle.slk"
+        tf.write_text(body)
+
+        # Run the solver (example: ./slsolver mypuzzle.slk)
+        # Solver is https://github.com/davidjosepha/slitherlink
+        solver_path = src / "slsolver"
+        output = check_output([solver_path, str(tf)], cwd=src).decode()
+        return output
+
+
 # Getting / redirects to main page
 @app.get("/")
 async def get_main():

server/solver_server.py

@@ -1,38 +0,0 @@
-import uvicorn
-from subprocess import check_output
-from fastapi import FastAPI, Request
-from fastapi.middleware.cors import CORSMiddleware
-from pathlib import Path
-
-
-app = FastAPI()
-src = Path(__file__).parent
-
-origins = ["*"]
-
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=origins,
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
-
-
-@app.post("/")
-async def input_request(request: Request):
-    body = (await request.body()).decode().replace("\r\n", "\n")
-
-    # Write body to a file
-    tf = src / "input.txt"
-    tf.write_text(body)
-
-    # Run the solver (example: ./slsolver mypuzzle.slk)
-    # Solver is https://github.com/davidjosepha/slitherlink
-    solver_path = src / "slsolver"
-    output = check_output([solver_path, str(tf)], cwd=src).decode()
-    return output
-
-
-if __name__ == '__main__':
-    uvicorn.run(app, host="0.0.0.0", port=8000)