Added emulator for testing with docker/compose

emulator/Dockerfile

@@ -0,0 +1,53 @@
+FROM alpine:latest as base
+
+COPY src/requirements.txt /app/requirements.txt
+
+USER root
+
+RUN apk -U upgrade
+RUN apk add --no-cache tini bash
+RUN apk add --no-cache --update \
+        build-base \
+        python3 \
+        python3-dev \
+        py3-pip \
+        openssl \
+        openssl-dev \
+        libffi-dev \
+        gcc \
+        musl-dev \
+        cargo \
+        curl \
+        --force-missing-repositories
+
+# added python venv for MacOS builds with brew
+RUN python3 -m venv ./env \
+    && chmod 777 -R ./env \
+    && ./env/bin/activate
+RUN ./env/bin/python3 -m pip install --upgrade \
+        pip \
+        setuptools \
+    && ./env/bin/python3 -m pip install wheel \
+    && ./env/bin/python3 -m pip install -r /app/requirements.txt
+RUN apk del \
+        build-base \
+        gcc \
+        python3-dev \
+        openssl-dev \
+        libffi-dev \
+        musl-dev \
+        cargo
+
+# Insert our emulator extentions
+COPY src /app
+COPY mockups /app/api_emulator/redfish/static
+
+EXPOSE 5000
+ENV MOCKUPFOLDER="public-rackmount1"
+ENV AUTH_CONFIG=""
+ENV PORT=5000
+ENV XNAME="x3000c0s0b0"
+ENV MAC_SCHEMA=""
+WORKDIR /app
+ENTRYPOINT ["/env/bin/python3"]
+CMD ["emulator.py"]