diff --git a/etc/.DS_Store b/etc/.DS_Store
deleted file mode 100755
index 5008ddf..0000000
Binary files a/etc/.DS_Store and /dev/null differ
diff --git a/etc/docker/Dockerfile b/etc/docker/Dockerfile
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index 0000000..7f59ef8
--- /dev/null
+++ b/etc/docker/Dockerfile
@@ -0,0 +1,17 @@
+# recommended way to build is using:
+# docker build \
+#   --build-arg PLATFORM=linux --build-arg ARCH=amd64 --build-arg VERSION=bullseye \
+#   -f etc/docker/Dockerfile .
+#
+ARG PLATFORM
+ARG ARCH
+ARG VERSION
+FROM --platform=${PLATFORM}/${ARCH} golang:1.19-${VERSION} AS builder
+
+# Run makefile to build command-line tools
+WORKDIR /usr/src/app
+COPY . .
+RUN make
+
+FROM --platform=${PLATFORM}/${ARCH} ubuntu:${VERSION}
+COPY --from=builder /usr/src/app/build/* /usr/local/bin/
diff --git a/etc/s16le_22050_1ch_audio.raw b/etc/test/s16le_22050_1ch_audio.raw
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rename from etc/s16le_22050_1ch_audio.raw
rename to etc/test/s16le_22050_1ch_audio.raw
diff --git a/etc/s16le_44100_1ch_audio.raw b/etc/test/s16le_44100_1ch_audio.raw
old mode 100755
new mode 100644
similarity index 100%
rename from etc/s16le_44100_1ch_audio.raw
rename to etc/test/s16le_44100_1ch_audio.raw
diff --git a/etc/s16le_44100_2ch_audio.raw b/etc/test/s16le_44100_2ch_audio.raw
old mode 100755
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similarity index 100%
rename from etc/s16le_44100_2ch_audio.raw
rename to etc/test/s16le_44100_2ch_audio.raw
diff --git a/etc/sample.mp4 b/etc/test/sample.mp4
old mode 100755
new mode 100644
similarity index 100%
rename from etc/sample.mp4
rename to etc/test/sample.mp4