Crosscompile Dockerfile fixed, test obj files added

tests/Dockerfile

@@ -1,5 +1,5 @@
 # Start with a base image containing build tools and libraries
-FROM ubuntu:latest as builder
+FROM debian:stable
 
 # Set the working directory
 WORKDIR /src
@@ -7,7 +7,7 @@ WORKDIR /src
 # Install necessary build tools
 RUN apt-get update && apt-get install -y \
     build-essential \
-    gcc \
+    gcc
 #    g++ \
 #    make \
 #    wget \
@@ -21,27 +21,23 @@ RUN apt-get update && apt-get install -y \
 
 # Install cross-compilers for x86, ARM, MIPS, and RISC-V
 RUN apt-get install -y \
-    gcc-multilib \
-    gcc-arm-linux-gnueabihf \
-    gcc-mips-linux-gnu \
-    gcc-riscv64-linux-gnu \
-    gcc-aarch64-linux-gnu
+    gcc-12-arm-linux-gnueabihf \
+    gcc-12-mips-linux-gnu \
+    gcc-12-riscv64-linux-gnu \
+    gcc-12-aarch64-linux-gnu
 
 # Copy the C file into the container
 COPY test.c /src/
 
 # Compile the C file for x86
-RUN gcc -c -O0 -o obj/test-x86-o0.o test.c \
-    gcc -c -03 -o obj/test-x86-o3.o test.c \
+CMD gcc -c -O0 test.c -o ../obj/test-x86-o0.o && \
+    gcc -c -O3 test.c -o ../obj/test-x86-o3.o && \
     # Compile the C file for ARM
-    arm-linux-gnueabihf-gcc -c -O0 -o obj/test-arm-o0.o test.c \
-    arm-linux-gnueabihf-gcc -c -O3 -o obj/test-arm-o3.o test.c \
+    arm-linux-gnueabihf-gcc-12 -c -O0 test.c -o ../obj/test-arm-o0.o && \
+    arm-linux-gnueabihf-gcc-12 -c -O3 test.c -o ../obj/test-arm-o3.o && \
     # Compile the C file for MIPS
-    mips-linux-gnu-gcc -c -O0 -o obj/test-mips-o0.o test.c \
-    mips-linux-gnu-gcc -c -O3 -o obj/test-mips-o3.o test.c \
+    mips-linux-gnu-gcc-12 -c -O0 test.c -o ../obj/test-mips-o0.o && \
+    mips-linux-gnu-gcc-12 -c -O3 test.c -o ../obj/test-mips-o3.o && \
     # Compile the C file for RISC-V
-    riscv64-linux-gnu-gcc -c -O0 -o obj/test-riscv-o0.o test.c \
-    riscv64-linux-gnu-gcc -c -03 -o obj/test-riscv-o3.o test.c
-
-# Set the default command (just listing the files as an example)
-CMD ["ls", "-l"]
+    riscv64-linux-gnu-gcc-12 -c -O0 test.c -o ../obj/test-riscv-o0.o && \
+    riscv64-linux-gnu-gcc-12 -c -O3 test.c -o ../obj/test-riscv-o3.o