Find an alternate way to have all dotnet versions in one docker image.

Dockerfile

@@ -13,11 +13,6 @@ RUN echo docker_cross_compiler > /etc/hostname
     RUN apt-get update
     RUN apt-get install -y sudo wget
 
-    # Add the .NET package repository to the repository listing.
-    RUN wget https://packages.microsoft.com/config/debian/13/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
-    RUN dpkg -i packages-microsoft-prod.deb
-    RUN rm packages-microsoft-prod.deb
-
     # APT dependencies.
     RUN apt-get update
     RUN apt-get install -y \
@@ -27,8 +22,6 @@ RUN echo docker_cross_compiler > /etc/hostname
         clang \
         cpio \
         curl \
-        dotnet-sdk-8.0 \
-        dotnet-sdk-10.0 \
         gcc-arm-linux-gnueabihf \
         gcc-aarch64-linux-gnu \
         gcc-i686-linux-gnu \
@@ -51,17 +44,18 @@ RUN echo docker_cross_compiler > /etc/hostname
         zlib1g-dev
 
     # Install dotnet 6.0 even if Micro$lop doesn't support it :P
-    COPY share/dotnet6.0 /root/dotnet6.0
-    RUN dpkg -Ri /root/dotnet6.0
-    RUN apt install -fy
-
-    # In the future, we will uncomment these lines for dotnet 8.0.
-    # COPY share/dotnet8.0 /root/dotnet8.0
-    # RUN dpkg -Ri /root/dotnet8.0
-    # RUN apt install -fy
+    WORKDIR /root/
+    COPY share/*.tar.gz /root/
+    RUN mkdir -p /usr/lib64/dotnet
+    WORKDIR /usr/lib64/dotnet
+    RUN tar -zxf /root/dotnet-sdk-6.0.428-linux-x64.tar.gz
+    RUN tar -zxf /root/dotnet-sdk-8.0.421-linux-x64.tar.gz
+    RUN tar -zxf /root/dotnet-sdk-10.0.300-linux-x64.tar.gz
+    RUN ln -s /usr/lib64/dotnet/dotnet /usr/local/bin/dotnet
 
     # Clone osxcross
     # Let's do this later.
+    WORKDIR /root/
     RUN git clone --recurse-submodules "https://github.com/tpoechtrager/osxcross.git" osxcross
 
     # Download packaged SDK from this random github (very safe i know)
@@ -80,11 +74,10 @@ RUN echo docker_cross_compiler > /etc/hostname
     RUN adduser --comment "" --disabled-password refuel
     RUN addgroup wheel
     RUN usermod -aG wheel refuel
-    USER refuel
+    USER refuel 
     WORKDIR /home/refuel
 
     # Copy bashrc
-    RUN cp /etc/bash.bashrc ~/.bashrc
     COPY sh/bashrc.sh /home/refuel/.bashrc
 
 # Execute an interactive shell.

sh/bashrc.sh

@@ -1,4 +1,22 @@
+source /etc/bash.bashrc
+
+# Set location for AppHost lookup
+[ -z "$DOTNET_ROOT" ] && export DOTNET_ROOT=/usr/lib64/dotnet
+
+# Add dotnet tools directory to PATH
+DOTNET_TOOLS_PATH="$HOME/.dotnet/tools"
+case "$PATH" in
+    *"$DOTNET_TOOLS_PATH"* ) true ;;
+    * ) PATH="$PATH:$DOTNET_TOOLS_PATH" ;;
+esac
+
+# Extract self-contained executables under HOME
+# to avoid multi-user issues from using the default '/var/tmp'.
+[ -z "$DOTNET_BUNDLE_EXTRACT_BASE_DIR" ] && export DOTNET_BUNDLE_EXTRACT_BASE_DIR="${XDG_CACHE_HOME:-"$HOME"/.cache}/dotnet_bundle_extract"
+
+
 echo ReFuel Project - Copyright \(C\) 2023
 echo
 echo This is an interactive shell for ReFuel build image.
 echo SuperUser \(su/sudo\) commands are enabled without a password. Beware.
+