diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..20cd66d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+build/
+.git/
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..8de5d32
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.16)
+project(cmake_exercise CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Find Boost
+find_package(Boost REQUIRED COMPONENTS filesystem system container)
+
+# Find deal.II
+find_package(deal.II REQUIRED)
+deal_ii_initialize_cached_variables()
+
+# Find yaml-cpp
+find_package(yaml-cpp REQUIRED)
+
+add_executable(main
+    main.cpp
+    flatset/flatset.cpp
+    filesystem/filesystem.cpp
+    fem/fem.cpp
+    yamlParser/yamlParser.cpp
+)
+
+# Add your own include dirs
+target_include_directories(main PRIVATE
+    flatset
+    filesystem
+    fem
+    yamlParser
+    ${YAML_CPP_INCLUDE_DIRS}
+)
+
+deal_ii_setup_target(main)
+
+# Link external libs
+target_link_libraries(main
+    Boost::filesystem
+    Boost::system
+    ${YAML_CPP_LIBRARIES}
+)
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..cc3b4bb
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,37 @@
+FROM ubuntu:24.04
+
+
+# Install build tools and dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    libboost-all-dev \
+    libdeal.ii-dev \
+    libopenmpi-dev \
+    wget \
+    unzip
+
+
+
+
+
+# Build yaml-cpp (version 0.6.3)
+WORKDIR /tmp
+RUN wget -q https://github.com/jbeder/yaml-cpp/archive/refs/tags/yaml-cpp-0.6.3.zip \
+    && unzip -q yaml-cpp-0.6.3.zip \
+    && cd yaml-cpp-yaml-cpp-0.6.3 \
+    && mkdir build && cd build \
+    && cmake -DCMAKE_BUILD_TYPE=Release .. \
+    && make -j$(nproc) && make install
+
+
+
+# Build application
+WORKDIR /app
+COPY . /app
+
+#enable execution of build_and_run.sh and run it
+# RUN chmod +x /app/build_and_run.sh
+# RUN /app/build_and_run.sh
+
+CMD ["./build/main","/app/yamlParser/config.yml"]
\ No newline at end of file
diff --git a/main.cpp b/main.cpp
index 7588360..08bc4a9 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,39 +1,39 @@
-//#include "fem/fem.hpp"
-//#include "flatset/flatset.hpp"
-//#include "filesystem/filesystem.hpp"
-//#include "yamlParser/yamlParser.hpp"
+#include "fem/fem.hpp"
+#include "flatset/flatset.hpp"
+#include "filesystem/filesystem.hpp"
+#include "yamlParser/yamlParser.hpp"
 #include <iostream>
 
 int main(int argc, char *argv[])
 {
   std::cout << "Let's fight with CMake, Docker, and some dependencies!" << std::endl << std::endl;
 
-  //std::cout << "Solve Poisson problem with FEM using deal.II" << std::endl;
-  //Fem fem;
-  //fem.run();
-  //std::cout << std::endl;
+  std::cout << "Solve Poisson problem with FEM using deal.II" << std::endl;
+  Fem fem;
+  fem.run();
+  std::cout << std::endl;
 
-  //std::cout << "Modify a flat set using boost container" << std::endl;
-  //modifyAndPrintSets();
-  //std::cout << std::endl;
+  std::cout << "Modify a flat set using boost container" << std::endl;
+  modifyAndPrintSets();
+  std::cout << std::endl;
 
-  //std::cout << "Inspect the current directory using boost filesystem" << std::endl;
-  //inspectDirectory();
-  //std::cout << std::endl;
+  std::cout << "Inspect the current directory using boost filesystem" << std::endl;
+  inspectDirectory();
+  std::cout << std::endl;
 
   
-  //if ( argc == 2 )
-  //{
-  //  const std::string yamlFile( argv[1] );
-  //  std::cout << "Parse some yaml file with yaml-cpp" << std::endl;
-  //  std::cout << "  " << yamlFile << std::endl;
-  //  parseConfig( yamlFile );
-  //}
-  //else
-  //{
-  //  std::cout << "To parse a yaml file please specify file on command line" << std::endl;
-  //  std::cout << "  ./main YAMLFILE" << std::endl;
-  //}
+  if ( argc == 2 )
+  {
+    const std::string yamlFile( argv[1] );
+    std::cout << "Parse some yaml file with yaml-cpp" << std::endl;
+    std::cout << "  " << yamlFile << std::endl;
+    parseConfig( yamlFile );
+  }
+  else
+  {
+    std::cout << "To parse a yaml file please specify file on command line" << std::endl;
+    std::cout << "  ./main YAMLFILE" << std::endl;
+  }
 
   return 0;
 }