added docker file

Dockerfile

@@ -0,0 +1,56 @@
+FROM ubuntu:latest
+
+
+WORKDIR /frate
+# Install deps
+
+RUN apt-get update && apt-get install -y \
+    wget \
+    gnupg \
+    software-properties-common
+
+# add llvm repo
+RUN bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"
+
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test
+
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    git \
+    clang-17 \
+    ccache \
+    lua5.4 \
+    liblua5.4-dev \
+    libgit2-dev 
+
+RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 13 --slave /usr/bin/g++ g++ /usr/bin/g++-13
+RUN wget -O lua.tar.gz https://www.lua.org/ftp/lua-5.4.6.tar.gz && \
+      tar -xzf lua.tar.gz && \
+      cd lua-5.4.6 && \
+      make linux test && \
+      make install
+
+
+# set clang as default compiler
+RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-17 100
+
+RUN update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-17 100
+
+RUN update-alternatives --install /usr/bin/cc cc /usr/bin/clang 9001
+
+RUN update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++ 9001
+
+
+# get frate from github
+COPY ./frate .
+
+
+# build frate
+
+##RUN cmake -DCMAKE_BUILD_TYPE=Debug ./ && make -j20
+
+
+
+