diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..c795b054
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+build
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 9730d81b..060e85cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,4 +53,3 @@ addons:
       - sed
       - cmake
       - dfu-util
-
diff --git a/docker-compose-nogit.yml b/docker-compose-nogit.yml
new file mode 100644
index 00000000..652203f4
--- /dev/null
+++ b/docker-compose-nogit.yml
@@ -0,0 +1,9 @@
+version: '3.9'
+
+services:
+  portapack-mayhem-dev:
+    build:
+      context: .
+      dockerfile: dockerfile-nogit-alpine
+    volumes:
+      - ".:/havoc"
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..ce49fbdf
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,9 @@
+version: '3.9'
+
+services:
+  portapack-mayhem-dev:
+    build:
+      context: .
+      dockerfile: dockerfile-alpine
+    volumes:
+      - "./bin:/havocbin"
\ No newline at end of file
diff --git a/dockerfile b/dockerfile
index a087fcd2..750ecb90 100644
--- a/dockerfile
+++ b/dockerfile
@@ -24,9 +24,9 @@ RUN curl https://bootstrap.pypa.io/pip/3.4/get-pip.py -o get-pip.py && \
 #Fetch additional dependencies from Python 2.x pip
 RUN pip install pyyaml
 RUN rm -rf /usr/bin/python && \
-    rm -rf /usr/bin/pip && \
-    ln -s /usr/bin/python3 /usr/bin/python && \
-    ln -s /usr/bin/pip3 /usr/bin/pip
+        rm -rf /usr/bin/pip && \
+        ln -s /usr/bin/python3 /usr/bin/python && \
+        ln -s /usr/bin/pip3 /usr/bin/pip
 
 ENV LANG C.UTF-8
 ENV LC_ALL C.UTF-8
@@ -37,12 +37,12 @@ RUN mkdir /opt/build && cd /opt/build && \
         wget -O gcc-arm-none-eabi $ARMBINURL && \
         mkdir armbin && \
         tar --strip=1 -xjvf gcc-arm-none-eabi -C armbin
-    
+
 #Set environment variable so compiler knows where the toolchain lives
 ENV PATH=$PATH:/opt/build/armbin/bin
 
 CMD cd /havocsrc && \
-    mkdir build && cd build && \ 
-    cmake .. && make firmware && \
-    cp /portapack-havoc/firmware/portapack-h1-havoc.bin /havocbin
+        mkdir build && cd build && \ 
+        cmake .. && make firmware && \
+        cp /portapack-havoc/firmware/portapack-h1-havoc.bin /havocbin
 
diff --git a/dockerfile-alpine b/dockerfile-alpine
new file mode 100644
index 00000000..4b680a24
--- /dev/null
+++ b/dockerfile-alpine
@@ -0,0 +1,29 @@
+# Download base image.
+FROM alpine:edge
+
+# Download ARM toolkit.
+RUN apk add --no-cache gcc-arm-none-eabi gcc
+
+# Create volume /havocbin for compiled firmware binaries
+VOLUME /havocbin
+
+# Copy build context (repository root) to /havocsrc
+COPY ./ /havocsrc
+
+# Fetch dependencies from APK
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
+RUN apk update -U
+RUN apk add --no-cache git tar wget cmake curl bzip2 make
+RUN apk add --no-cache dfu-util ccache icu-data-full
+RUN apk add --no-cache python3 py3-pip py3-yaml
+RUN apk add --no-cache py3-pyyaml-env-tag
+RUN apk add --no-cache g++ gcc clang clang-static clang-dev llvm-dev llvm-static
+
+ENV LANG C.UTF-8
+ENV LC_ALL C.UTF-8
+
+CMD cd /havocsrc && \
+        mkdir build && cd build && \ 
+        cmake .. && make firmware && \
+        cp /portapack-havoc/firmware/portapack-h1-havoc.bin /havocbin
+
diff --git a/dockerfile-nogit b/dockerfile-nogit
index b317a834..a48a5522 100644
--- a/dockerfile-nogit
+++ b/dockerfile-nogit
@@ -21,7 +21,7 @@ RUN curl https://bootstrap.pypa.io/pip/3.4/get-pip.py -o get-pip.py && \
 #Fetch additional dependencies from Python 3.x pip
 RUN pip install pyyaml
 RUN ln -s /usr/bin/python3 /usr/bin/python && \
-    ln -s /usr/bin/pip3 /usr/bin/pip
+	ln -s /usr/bin/pip3 /usr/bin/pip
 
 ENV LANG C.UTF-8
 ENV LC_ALL C.UTF-8
@@ -38,4 +38,4 @@ RUN mkdir ~/bin && cd ~/bin && \
 	for tool in gcc g++ cpp c++;do ln -s $(which ccache) arm-none-eabi-$tool;done
 
 CMD cd .. && cd build && \
-    cmake .. && make firmware
+	cmake .. && make firmware
diff --git a/dockerfile-nogit-alpine b/dockerfile-nogit-alpine
new file mode 100644
index 00000000..8cfe172d
--- /dev/null
+++ b/dockerfile-nogit-alpine
@@ -0,0 +1,27 @@
+FROM alpine:edge
+
+# Download ARM toolkit.
+RUN apk add --no-cache gcc-arm-none-eabi gcc
+
+# Create volume /havoc/bin for compiled firmware binaries
+VOLUME /havoc
+WORKDIR /havoc/firmware
+
+# Fetch dependencies from APK
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
+RUN apk update -U
+RUN apk add --no-cache git tar wget cmake curl bzip2 make
+RUN apk add --no-cache dfu-util ccache icu-data-full
+RUN apk add --no-cache python3 py3-pip py3-yaml
+RUN apk add --no-cache py3-pyyaml-env-tag
+RUN apk add --no-cache g++ gcc clang clang-static clang-dev llvm-dev llvm-static
+
+ENV LANG C.UTF-8
+ENV LC_ALL C.UTF-8
+
+# Configure CCACHE
+RUN mkdir ~/bin && cd ~/bin && \
+    for tool in gcc g++ cpp c++;do ln -s $(which ccache) arm-none-eabi-$tool;done
+
+CMD cd .. && cd build && \
+    cmake .. && make firmware
diff --git a/sdcard/WAV/noise.wav b/sdcard/WAV/noise.wav
new file mode 100644
index 00000000..52c8d9fe
Binary files /dev/null and b/sdcard/WAV/noise.wav differ
diff --git a/sdcard/WAV/tone square.wav b/sdcard/WAV/tone square.wav
new file mode 100644
index 00000000..e37614f9
Binary files /dev/null and b/sdcard/WAV/tone square.wav differ