Add github workflow and dockerfile

Dockerfile

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+# Unsure if I want to create minimal images yet that run under Alpine Linux.
+# I have instructions for that here: https://hub.docker.com/r/echelon/testcontainer/dockerfile
+FROM ubuntu:xenial as build
+WORKDIR /tmp
+
+RUN apt-get update \
+    && apt-get install -y \
+        build-essential \
+        curl \
+        libssl-dev \
+        libssl1.0.0 \
+        pkg-config
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
+    | sh  -s -- --default-toolchain stable -y
+
+COPY Cargo.lock . 
+COPY Cargo.toml .
+COPY src/ ./src
+
+RUN $HOME/.cargo/bin/cargo fetch
+
+#RUN LD_LIBRARY_PATH=/usr/lib:${LD_LIBRARY_PATH} $HOME/.cargo/bin/cargo build
+RUN LD_LIBRARY_PATH=/usr/lib:${LD_LIBRARY_PATH} $HOME/.cargo/bin/cargo build --release
+
+# Final image
+FROM ubuntu:xenial
+WORKDIR /
+
+#COPY --from=build /tmp/target/debug/tts-service-proxy /
+COPY --from=build /tmp/target/release/tts-service-proxy /
+
+# SSL certs are required for crypto
+COPY --from=build /etc/ssl /etc/ssl
+
+# Required dynamically linked libraries
+COPY --from=build /lib/x86_64-linux-gnu/libssl.*             /lib/x86_64-linux-gnu/
+COPY --from=build /lib/x86_64-linux-gnu/libcrypto.*          /lib/x86_64-linux-gnu/
+
+# Make sure all the links resolve
+RUN ldd tts-service-proxy
+
+EXPOSE 8080
+CMD LD_LIBRARY_PATH=/usr/lib /tts-service-proxy
+