Fixed build issues in test.Dockerfile

test.Dockerfile

@@ -1,8 +1,27 @@
 FROM alpine:3.19 as builder
 
-# install Zig 0.11 from Alpine edge repo: https://pkgs.alpinelinux.org/package/edge/testing/x86_64/zig
+# Install necessary tools for building musl
+RUN apk add --no-cache clang make
+
+# Download musl source code
+RUN wget https://musl.libc.org/releases/musl-1.2.4.tar.gz
+
+# Extract the source code
+RUN tar -xzvf musl-1.2.4.tar.gz
+
+# Navigate into the musl directory
+WORKDIR /musl-1.2.4
+
+# Configure, build, and install musl
+RUN ./configure && make && make install
+
+# Cleanup
+WORKDIR /
+RUN rm -rf /musl-1.2.4 musl-1.2.4.tar.gz
+
+# install Zig 0.12 from Alpine edge repo: https://pkgs.alpinelinux.org/package/edge/testing/x86_64/zig
 RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
-RUN apk add --no-cache zig@testing~=0.11.0
+RUN apk add --no-cache zig@testing~=0.12.0
 
 # install dependencies
 RUN apk add --no-cache zeromq-dev
@@ -15,8 +34,6 @@ RUN zig build test -Doptimize=ReleaseFast --summary all
 
 RUN touch /var/touched # dummy build output
 
-
-
 # empty result image
 FROM scratch