Add docker file for easy reproducible builds

Signed-off-by: falkTX <falktx@falktx.com>

.gitignore

@@ -1,4 +1,5 @@
 *~
+*.dll
 *.o
 *.so
 build32/

docker/.dockerignore

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+# binary files
+*.dll
+*.so
+
+# this script
+build.sh

docker/Dockerfile

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+FROM ubuntu:20.04
+LABEL maintainer="falkTX <falktx@falktx.com>"
+ENV DEBIAN_FRONTEND noninteractive
+
+# enable i386
+RUN dpkg --add-architecture i386
+
+# update system
+RUN apt-get update -qq && apt-get upgrade -qqy && apt-get clean
+
+# install packages needed for build
+RUN apt-get install -qqy --no-install-recommends ca-certificates gcc-multilib git libjack-jackd2-dev libjack-jackd2-dev:i386 make openssl pkg-config wget && \
+    apt-get clean
+
+# install newer wine
+RUN mkdir -pm755 /etc/apt/keyrings && \
+    wget -O /etc/apt/keyrings/winehq-archive.key https://dl.winehq.org/wine-builds/winehq.key && \
+    wget -NP /etc/apt/sources.list.d/ https://dl.winehq.org/wine-builds/ubuntu/dists/focal/winehq-focal.sources
+
+RUN apt-get update -qq && \
+    apt-get install -qqy --no-install-recommends winehq-stable wine-stable-dev && \
+    apt-get clean
+
+# fetch wineasio
+RUN git clone --recursive https://github.com/wineasio/wineasio.git --depth=1
+
+# build wineasio
+WORKDIR /wineasio
+RUN make 32 64
+
+# CMD for inspection
+CMD ["bash"]

docker/build.sh

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+#!/bin/bash
+
+cd $(dirname $0)
+
+rm -f *.dll *.so
+
+set -e
+
+docker build -t wineasio .
+docker run -v $PWD:/mnt --rm --entrypoint \
+    cp wineasio:latest \
+        /wineasio/build32/wineasio32.dll \
+        /wineasio/build32/wineasio32.dll.so \
+        /wineasio/build64/wineasio64.dll \
+        /wineasio/build64/wineasio64.dll.so \
+        /mnt/