Add build for otel module

Author: oromas

build/Dockerfile.otel

@@ -12,16 +12,17 @@ RUN apt-get update && apt-get install -y \
     zlib1g-dev \
     libssl-dev
 
-WORKDIR /usr/src/nginx-otel
+WORKDIR /usr/src
+
 RUN wget https://nginx.org/download/nginx-1.27.4.tar.gz && \
     tar zxvf nginx-1.27.4.tar.gz && \
     cd nginx-1.27.4 && \
     ./configure --with-compat && \
-    cd ..
+    make
 
-RUN git clone https://github.com/nginxinc/nginx-otel.git && \
-    cd nginx-otel && \
-    mkdir build && \
-    cd build && \
+RUN git clone https://github.com/nginxinc/nginx-otel.git
+
+WORKDIR /usr/src/nginx-otel
+RUN mkdir build && cd build && \
     cmake -DNGX_OTEL_NGINX_BUILD_DIR=/usr/src/nginx-1.27.4/objs .. && \
-    make
+    make