Update Dockerfile

Dockerfile

@@ -1,24 +1,31 @@
 FROM ubuntu:22.04
 
+WORKDIR /app
+
+# Install system dependencies (except cmake)
 RUN apt-get update && apt-get install -y \
-    git cmake clang libsodium-dev libboost-all-dev build-essential \
+    build-essential clang git wget libsodium-dev libboost-all-dev \
     && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /app
+# Install CMake 3.27.9 manually
+RUN wget https://github.com/Kitware/CMake/releases/download/v3.27.9/cmake-3.27.9-linux-x86_64.sh && \
+    chmod +x cmake-3.27.9-linux-x86_64.sh && \
+    ./cmake-3.27.9-linux-x86_64.sh --skip-license --prefix=/usr/local && \
+    rm cmake-3.27.9-linux-x86_64.sh
 
 # Clone Globed2 and Geode SDK
-RUN git clone https://github.com/GlobedGD/globed2.git
-RUN git clone https://github.com/geode-sdk/geode.git
+RUN git clone https://github.com/GlobedGD/globed2.git && \
+    git clone https://github.com/geode-sdk/geode.git
 
-# Patch unsupported OS in CMakeLists.txt
+# Patch CMakeLists.txt to allow Linux build
 WORKDIR /app/globed2
-RUN sed -i '/Unsupported operating system/d' CMakeLists.txt \
-    && sed -i '/if (NOT (${CMAKE_SYSTEM_NAME}/,/endif()/d' CMakeLists.txt
+RUN sed -i '/Unsupported operating system/d' CMakeLists.txt && \
+    sed -i '/if (NOT (${CMAKE_SYSTEM_NAME}/,/endif()/d' CMakeLists.txt
 
-# Set GEODE_SDK path
+# Set Geode SDK path
 ENV GEODE_SDK=/app/geode
 
-# Build globed2
+# Build project
 RUN mkdir build
 WORKDIR /app/globed2/build
 RUN cmake .. && make -j$(nproc)