diff --git a/Examples/Dockerfile-ser2net b/Examples/Dockerfile-ser2net
new file mode 100644
index 0000000..c1ea84d
--- /dev/null
+++ b/Examples/Dockerfile-ser2net
@@ -0,0 +1,36 @@
+FROM ghcr.io/logicethos/duo-sdk-docker:latest
+
+# Build OpenSSL
+RUN wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz \
+    && tar -xzf openssl-1.1.1l.tar.gz \
+    && cd openssl-1.1.1l \
+    && ./Configure linux64-riscv64 shared no-asm --prefix=$BUILD_OUTPUT \
+    && make && make install
+
+# Build libyaml
+WORKDIR /
+RUN git clone https://github.com/yaml/libyaml
+WORKDIR /libyaml
+RUN ./bootstrap
+RUN ./configure --host=riscv64-linux-gnu --prefix=$BUILD_OUTPUT \
+    && make && make install
+
+# Build gensio
+WORKDIR /
+RUN git clone https://github.com/cminyard/gensio.git
+WORKDIR /gensio
+RUN sh reconf
+RUN ./configure --host=riscv64-linux-gnu --prefix=$BUILD_OUTPUT \
+    && make && make install
+
+## Build ser2net
+WORKDIR /
+RUN git clone https://github.com/cminyard/ser2net.git
+WORKDIR /ser2net
+RUN sh reconf
+RUN ./configure --host=riscv64-linux-gnu --prefix=$BUILD_OUTPUT \
+    && make && make install
+
+WORKDIR $BUILD_OUTPUT
+
+CMD bash
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diff --git a/build-l b/build-l
deleted file mode 100644
index dc113a0..0000000
--- a/build-l
+++ /dev/null
@@ -1,50 +0,0 @@
-# duo-sdk-docker
-
-Dockerfile base image for Milk-V Duo
-
-A prebuilt image image is available ```ghcr.io/logicethos/duo-sdk-docker:latest```
-
-### How to use
-
-Add to the top of your Dockerfile:
-```
-FROM ghcr.io/logicethos/duo-sdk-docker:latest
-```
-
-or run to enter the build enviroment
-```
-docker run -it ghcr.io/logicethos/duo-sdk-docker:latest
-```
-
-
-### Example - building OpenSSL:
-Create Dockerfile
-```
-FROM ghcr.io/logicethos/duo-sdk-docker:latest
-
-RUN wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz \
-    && tar -xzf openssl-1.1.1l.tar.gz \
-    && cd openssl-1.1.1l \
-    && ./Configure linux64-riscv64 shared no-asm --prefix=$BUILD_OUTPUT \
-    && make && make install
-```
-
-Build:
-```
-docker build -f Dockerfile-OpenSSL . -t openssl-lib
-```
-
-Copy the output:
-The default output is at /build-output
-```
-docker create --name openssl-lib openssl-lib
-docker cp openssl-lib:/build-output build-output
-```
-
-### cmake
-
-If you use cmake you can use the default tool chain file like this:
-
-```
-cmake -DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN_FILE
-```
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