Update Dockerfile to work with more recent versions of Mumble

Dockerfile

@@ -1,14 +1,61 @@
-FROM alpine:3.10
+# Define Mumble version
+ARG MUMBLE_VERSION=v1.4.287
+
+FROM debian:stable
+
 LABEL maintainer="Fabian Stamm <dev@fabianstamm.de>"
 
-# Define Mumble version
-ARG MUMBLE_VERSION=1.3.4
+
+RUN apt update && apt install -y \
+   git \
+   build-essential \
+   cmake \
+   ninja-build \
+   python3 \
+   pkg-config \
+   qtbase5-dev \
+   qtchooser \
+   qt5-qmake \
+   qtbase5-dev-tools \
+   qttools5-dev \
+   qttools5-dev-tools \
+   libqt5svg5-dev \
+   libboost-dev \
+   libssl-dev \
+   libprotobuf-dev \
+   protobuf-compiler \
+   libprotoc-dev \
+   libcap-dev \
+   libxi-dev \
+   libasound2-dev \
+   libogg-dev \
+   libsndfile1-dev \
+   libspeechd-dev \
+   libavahi-compat-libdnssd-dev \
+   libxcb-xinerama0 \
+   libzeroc-ice-dev \
+   libpoco-dev \
+   g++-multilib
+
+RUN git clone --recursive https://github.com/mumble-voip/mumble.git
+
+WORKDIR /mumble
+
+RUN git checkout ${MUMBLE_VERSION}
+
+RUN mkdir build
+
+WORKDIR /mumble/build
+
+ENV CMAKE_GENERATOR=Ninja
+RUN cmake -Dclient=OFF -Dstatic=ON ..
+
+RUN cmake --build .
 
 # Create Mumble directories
 RUN mkdir -pv /opt/mumble /etc/mumble
-
 # Create non-root user
-RUN adduser -DHs /sbin/nologin mumble
+RUN adduser --no-create-home --disabled-password --shell /sbin/nologin mumble
 
 # Copy config file
 COPY files/config.ini /etc/mumble/config.ini
@@ -17,14 +64,7 @@ COPY files/config.ini /etc/mumble/config.ini
 COPY files/supw /usr/local/bin/supw
 RUN chmod +x /usr/local/bin/supw
 
-# Set the bzip archive URL
-ARG BZIP_URL=https://github.com/mumble-voip/mumble/releases/download/${MUMBLE_VERSION}/murmur-static_x86-${MUMBLE_VERSION}.tar.bz2
-
-# Install dependencies, fetch Mumble bzip archive and chown files
-RUN apk add --update ca-certificates bzip2 tar tzdata wget \
-   && wget -qO- ${BZIP_URL} | tar -xjv --strip-components=1 -C /opt/mumble \
-   && apk del ca-certificates bzip2 tar wget && rm -rf /var/cache/apk/* \
-   && chown -R mumble:mumble /etc/mumble /opt/mumble
+RUN chown -R mumble:mumble /etc/mumble /opt/mumble
 
 # Expose ports
 EXPOSE 64738 64738/udp
@@ -36,4 +76,4 @@ USER mumble
 VOLUME /etc/mumble
 
 # Default command
-CMD ["/opt/mumble/murmur.x86", "-fg", "-ini", "/etc/mumble/config.ini"]
+CMD ["/mumble/build/mumble-server", "-fg", "-ini", "/etc/mumble/config.ini"]

files/config.ini

@@ -9,5 +9,5 @@ database=/etc/mumble/murmur.sqlite
 # This option is ignored if Murmur isn't started with root privileges.
 uname=mumble
 
-bandwidth=130000
+bandwidth=200000
 welcometext=Welcome! Unauthorized access is prohibited

files/supw

@@ -1,3 +1,3 @@
 #!/usr/bin/env sh
 
-/opt/mumble/murmur.x86 -ini /etc/mumble/config.ini -readsupw
+/mumble/build/mumble-server -ini /etc/mumble/config.ini -readsupw