Added docker-compose.yml

- Made the API accept an env variable pointing to config file

Dockerfile

@@ -14,6 +14,8 @@ COPY --from=build-stage /tmp/code/dist/ .
 
 RUN pip install --no-cache-dir --no-index --find-links . dnschef[api]
 
+EXPOSE 80 53/udp 53/tcp
+
 CMD ["uvicorn", "dnschef.api:app", "--host", "0.0.0.0", "--port", "80"]
 
 # If using a proxy

dnschef/api.py

@@ -11,7 +11,7 @@
 from typing import Optional, List
 
 from fastapi import FastAPI
-from pydantic import BaseModel, BaseSettings #,IPvAnyAddress
+from pydantic import BaseModel, BaseSettings, FilePath #,IPvAnyAddress
 from dnslib import RDMAP
 
 import logging
@@ -31,14 +31,15 @@ class Settings(BaseSettings):
     ipv6: bool = False
     tcp: bool = False
     port: int = 53
+    configfile: FilePath = "dnschef.ini"
 
 settings = Settings()
 app = FastAPI()
 
 @app.on_event("startup")
 async def startup_event():
     print(header)
-    parse_config_file()
+    parse_config_file(settings.configfile)
 
     # Log to file
     fh = logging.handlers.WatchedFileHandler("dnschef.log")

dnschef/utils.py

@@ -14,6 +14,7 @@
 
 
 def parse_config_file(config_file: str = "dnschef.ini"):
+    log.debug("Parsing config file", path=config_file)
     config = ConfigParser()
     config.read(config_file)
     for section in config.sections():

docker-compose.yml

@@ -0,0 +1,20 @@
+
+version: "3"
+services:
+  dnschef:
+    image: dnschef:latest
+    container_name: dnschef
+    ports:
+      - "53:53/udp"
+      - "53:53/tcp"
+    expose:
+      - "80"
+    volumes:
+      - dnschef.ini:/etc/dnschef.ini
+    environment:
+      - INTERFACE=0.0.0.0
+      - NAMESERVERS=8.8.8.8
+      - PORT=53
+      - TCP=false
+      - IPV6=false
+      - CONFIGFILE=/etc/dnschef.ini