Add better docker support and documentation (TrinityCore#739)

Dockerfile

@@ -6,4 +6,5 @@ RUN dotnet build -c Release
 FROM mcr.microsoft.com/dotnet/runtime:7.0
 WORKDIR /app
 COPY --from=build /src/WowPacketParser/bin/Release .
-ENTRYPOINT ["dotnet", "WowPacketParser.dll"]
+COPY --chmod=755 ./docker-entrypoint.sh /
+ENTRYPOINT ["/docker-entrypoint.sh"]

README.md

@@ -61,7 +61,7 @@ It is possible run WPP on Docker using the `trinitycore/wpp` image.
 
 To build image:
 ```
-docker build . -t trinitycore/wpp
+DOCKER_BUILDKIT=1 docker build . -t trinitycore/wpp
 ```
 
 To configure:
@@ -72,7 +72,7 @@ Copy WowPacketParser/App.config as template and edit as your needs.
 To run:
 
 ```
-docker run -v /place/where/sniffs/are/kept:/sniffs -v App.config:/app/WowPacketparser.dll.config trinitycore/wpp /sniffs/sniffname.pkt
+docker run -it --rm -v /place/where/sniffs/are/kept:/sniffs -v /full/path/App.config:/app/WowPacketParser.dll.config trinitycore/wpp /sniffs/sniffname.pkt
 ```
 
 */place/where/sniffs/are/kept* should your local directory containing the .pkt file and *sniffname.pkt* the file to be parsed.

docker-entrypoint.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cd $(dirname "$1")
+/app/WowPacketParser "$1"