diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 000000000..818d05c18
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+test/**/build
+target/
diff --git a/Dockerfile b/Dockerfile
index 28e3c1c55..6ea35a6a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,15 +9,19 @@ FROM ghcr.io/fkie-cad/ghidra_headless_base:11.0.1 as runtime
 
 RUN apt-get -y update \
     && apt-get -y install sudo \
+    && apt-get clean \
+    && rm -rf /var/cache/apt/archives /var/lib/apt/lists/* \
     && useradd -m cwe \
     && echo "cwe:cwe" | chpasswd \
     && adduser cwe sudo \
     && sed -i.bkp -e 's/%sudo\s\+ALL=(ALL\(:ALL\)\?)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' /etc/sudoers
+
 USER cwe
 
 # Install all necessary files from the builder stage
 COPY --from=builder /cwe_checker/target/release/cwe_checker /home/cwe/cwe_checker
 COPY --from=builder /cwe_checker/src/config.json /home/cwe/.config/cwe_checker/config.json
+COPY --from=builder /cwe_checker/src/lkm_config.json /home/cwe/.config/cwe_checker/lkm_config.json
 COPY --from=builder /cwe_checker/src/ghidra/p_code_extractor /home/cwe/.local/share/cwe_checker/ghidra/p_code_extractor
 RUN echo "{ \"ghidra_path\": \"/opt/ghidra\" }" | sudo tee /home/cwe/.config/cwe_checker/ghidra.json