Create appimage with docker

[ci skip]

Dockerfile

@@ -0,0 +1,38 @@
+FROM ubuntu:xenial
+
+RUN \
+    apt-get update -qq && \
+    apt-get install -y software-properties-common
+
+RUN \
+    add-apt-repository -y ppa:beineri/opt-qt592-xenial && \
+    apt-get update -qq && \
+    apt-get install -y \
+        qt59base \
+        qt59tools \
+        qt59multimedia
+
+RUN \
+    add-apt-repository ppa:ubuntu-toolchain-r/test && \
+    apt-add-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-5.0 main" && \
+    apt-get update -qq && \
+    apt-get install -y --allow-unauthenticated \
+        gcc-7 \
+        g++-7 \
+        cmake \
+        clang-5.0 \
+        clang-format-5.0 \
+        liblmdb-dev
+
+RUN apt-get install -y mesa-common-dev wget fuse git
+
+RUN update-alternatives --install \
+        /usr/bin/clang-format \
+        clang-format \
+        /usr/bin/clang-format-5.0 100
+
+ENV PATH=/opt/qt59/bin:$PATH
+
+RUN mkdir /build
+
+WORKDIR /build

Makefile

@@ -29,6 +29,18 @@ run:
 lint:
 	@./.ci/format.sh
 
+image:
+	docker build -t nheko-app-image .
+
+docker-app-image: image
+	docker run \
+		-e CXX=g++-7 \
+		-e CC=gcc-7 \
+		-v `pwd`:/build nheko-app-image make release
+	docker run \
+		--privileged \
+		-v `pwd`:/build nheko-app-image make linux-appimage
+
 clean:
 	rm -rf build