Environment Variables added

Include Windows Build option

containerignore updated

readme Environment Variable Additions

Added Building for windows AND linux

- using podman or docker

scripts-bash/build-release.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+set -e
+
+IMAGE_NAME="localhost/gopherbook-builder:latest"
+CONTAINER_NAME="gopherbook-builder-tmp"
+OUTPUT_DIR="./binaries"
+
+echo "=== Building cross-compilation container ==="
+podman build --force-rm -t "$IMAGE_NAME" -f Containerfile.build .
+
+if [ $? -ne 0 ]; then
+    echo "Image build failed. Exiting."
+    exit 1
+fi
+
+echo ""
+echo "=== Creating temporary container ==="
+podman create --name "$CONTAINER_NAME" "$IMAGE_NAME"
+
+echo ""
+echo "=== Creating output directory ==="
+mkdir -p "$OUTPUT_DIR"
+rm -f "$OUTPUT_DIR"/*
+
+echo ""
+echo "=== Extracting Linux binary ==="
+podman cp "$CONTAINER_NAME:/app/bin/gopherbook-linux" "$OUTPUT_DIR/gopherbook-linux"
+chmod +x "$OUTPUT_DIR/gopherbook-linux"
+
+echo ""
+echo "=== Extracting Windows binary ==="
+podman cp "$CONTAINER_NAME:/app/bin/gopherbook-windows.exe" "$OUTPUT_DIR/gopherbook-windows.exe"
+chmod +x "$OUTPUT_DIR/gopherbook-windows.exe"
+
+echo ""
+echo "=== Cleaning up temporary container ==="
+podman rm "$CONTAINER_NAME"
+
+echo ""
+echo "=== Build complete! ==="
+echo "Binaries are in: $OUTPUT_DIR/"
+ls -lh "$OUTPUT_DIR/"
+
+echo ""
+echo "=== Binary sizes ==="
+du -h "$OUTPUT_DIR"/*
+
+echo ""
+echo "=== Cleaning up builder image ==="
+podman rmi "$IMAGE_NAME"
+
+echo ""
+echo "✓ Done! Your binaries are ready:"
+echo "  • Linux:   $OUTPUT_DIR/gopherbook-linux"
+echo "  • Windows: $OUTPUT_DIR/gopherbook-windows.exe"
+echo ""
+echo "To run the Linux binary:"
+echo "  $OUTPUT_DIR/gopherbook-linux"
+echo ""
+echo "To test the Windows binary (requires wine):"
+echo "  wine $OUTPUT_DIR/gopherbook-windows.exe"