Adds a docker image and build task for said image

Dockerfile

@@ -0,0 +1,40 @@
+FROM git.zontreck.com/packages/flutter:latest as BUILDER
+
+WORKDIR /app
+COPY ./pubspec.yaml ./
+COPY ./cli ./
+COPY ./lib ./
+COPY ./android ./
+COPY ./linux ./
+COPY ./ios ./
+COPY ./macos ./
+COPY ./test ./
+COPY ./web ./
+COPY ./windows ./
+COPY ./analysis_options.yaml ./
+
+
+RUN dart pub get
+RUN dart fix --apply
+RUN dart compile exe -o bugvaultd cli/server.dart
+
+FROM git.zontreck.com/packages/flutter:latest
+
+LABEL author Tara Piccari
+LABEL email tarapiccari@gmail.com
+
+ENV BUGVAULT_DATA_DIRECTORY /data
+
+COPY --from=BUILDER /app/bugvaultd /sbin/bugvaultd
+
+SHELL ["/bin/bash", "-c"]
+
+COPY ./docker-entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+WORKDIR /data
+RUN useradd -s /bin/bash -d /data -M bugvault
+
+USER bugvault:bugvault
+
+ENTRYPOINT [ "/entrypoint.sh" ]