Fix container duplication

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:alpine as builder
+
+# Application Directory
+RUN mkdir /app
+WORKDIR /app
+
+# First handle dependencies as those probably are more stable than rest of codebase
+COPY ./go.mod /app/
+COPY ./go.sum /app/
+RUN go mod download
+
+# Copy source and build app
+COPY . /app
+RUN go build .
+
+FROM alpine
+
+# Copy over the app from the builder image
+COPY --from=builder /app/lookbuilding /lookbuilding
+
+ENTRYPOINT ["/lookbuilding"]