Add Dockerfile

Dockerfile

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+# Start from the latest golang base image
+FROM golang:latest as builder
+
+# Add Maintainer Info
+LABEL maintainer="Jan"
+
+# Set the Current Working Directory inside the container
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed
+RUN go mod download
+
+# Copy the source from the current directory to the Working Directory inside the container
+COPY . .
+
+# Build the Go app
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+
+######## Start a new stage from scratch #######
+FROM alpine:latest  
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+# Copy the Pre-built binary file from the previous stage
+COPY --from=builder /app/main .
+
+# Expose port 8080 to the outside world
+EXPOSE 8080
+
+# Command to run the executable
+CMD ["./main"] 
+
+