Add dockerfile for preview server

.dockerignore

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+.git
+build
+Dockerfile
+tools/simulrun/toolchain
+frontend/wasm/node_modules

Dockerfile

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+FROM ubuntu:22.04 AS builder
+RUN apt-get update && apt-get install -y wget git gcc-12 g++ make cmake pkg-config libx11-dev libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libopengl-dev libglx-dev libglu1-mesa-dev freeglut3-dev libxxf86vm-dev
+
+ENV GO_VERSION=1.23.0
+RUN wget -qP /tmp "https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz"
+RUN tar -C /usr/local -xzf "/tmp/go${GO_VERSION}.linux-amd64.tar.gz"
+RUN rm "/tmp/go${GO_VERSION}.linux-amd64.tar.gz"
+ENV GOPATH /go
+ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
+RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"
+
+WORKDIR /app
+COPY . .
+RUN mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j$(nproc) bundling_target
+
+RUN cd frontend/desktop && go build -o /previewer ./cmd/previewer
+RUN cd tools/web-previewer && go build -o /preview-server .
+
+FROM ubuntu:22.04 AS runner
+WORKDIR /app
+RUN apt-get update && apt-get -y install ca-certificates
+COPY --from=builder /previewer /preview-server ./
+
+CMD ["/app/preview-server", "-previewer", "/app/previewer"]