Rework complete project

Dockerfile

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+FROM golang:1.21-bookworm AS build
+
+# Create build workspace folder
+WORKDIR /workspace
+ADD . /workspace
+
+# Install updates and build tools
+RUN apt-get update --yes && \
+    apt-get install --yes build-essential
+
+# Build the actual binary
+RUN make build
+
+# -- -- -- -- -- --
+
+# Set up image to run the tool
+FROM alpine
+
+# Create main app folder to run from
+WORKDIR /app
+
+# Copy built binary from build image
+COPY --from=build /workspace/country_geo_locations /app
+
+ENTRYPOINT ["/app/country_geo_locations"]