added dockerfile

.dockerignore

@@ -0,0 +1,7 @@
+.vscode
+.git
+go.mod
+go.sum
+*.go
+helm
+.*ignore

Dockerfile

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+FROM alpine:3.9.6
+
+ARG RUNTIME_USER="mxgateway"
+ARG RUNTIME_USER_UID=4583
+
+RUN addgroup -g $RUNTIME_USER_UID $RUNTIME_USER && \
+    adduser --disabled-password --no-create-home  --gecos "" \
+    --home /app --ingroup $RUNTIME_USER --uid $RUNTIME_USER_UID  $RUNTIME_USER
+
+COPY entrypoint.sh \
+    bin/hugo-mx-gateway \
+    templates \
+    LICENSE \
+    /app/
+
+RUN chown -R $RUNTIME_USER:$RUNTIME_USER /app
+
+WORKDIR /app
+ENTRYPOINT ["sh", "./entrypoint.sh"]