Dockerfile

docs/Dockerfile

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+# syntax=docker/dockerfile:1.2
+
+#############################
+# Builder for Linux
+#############################
+FROM golang:1.20 AS builder-linux
+
+# Set environment variables for Linux
+ENV GOARCH=amd64
+ENV GOOS=linux
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the Go source code
+COPY . .
+
+# Build the Linux binary
+RUN go build -o 3270Connect-linux go3270Connect.go
+
+#############################
+# Builder for Windows
+#############################
+FROM golang:1.20 AS builder-windows
+
+# Set environment variables for Windows
+ENV GOARCH=amd64
+ENV GOOS=windows
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the Go source code
+COPY . .
+
+# Build the Windows binary
+RUN go build -o 3270Connect.exe go3270Connect.go
+
+#############################
+# Final stage for Linux
+#############################
+FROM alpine:latest AS final-linux
+
+# Copy the Linux binary from the builder
+COPY --from=builder-linux /app/3270Connect-linux /usr/local/bin/3270Connect
+
+# Make the binary executable
+RUN chmod +x /usr/local/bin/3270Connect
+
+# Define the entrypoint for the Linux container
+ENTRYPOINT ["/usr/local/bin/3270Connect"]
+
+#############################
+# Final stage for Windows
+#############################
+FROM mcr.microsoft.com/windows/servercore:ltsc2019 AS final-windows
+
+# Copy the Windows binary from the builder
+COPY --from=builder-windows /app/3270Connect.exe C:\3270Connect.exe
+
+# Define the entrypoint for the Windows container
+ENTRYPOINT ["C:\\3270Connect.exe"]

docs/build.sh

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+#!/bin/bash
+
+# Build the Linux image
+docker build --target final-linux -t 3270connect-linux .
+
+# Build the Windows image
+docker build --target final-windows -t 3270connect-windows .