Shell script to deploy to AppStoreConnect

deploy.sh

#!/bin/bash

if [[ ! -e build ]]; then
    mkdir build
fi

WORKSPACE=XcodeWorkspaceName
SCHEME=SchemeName

xcrun agvtool next-version -all
xcrun xcodebuild -quiet -workspace $WORKSPACE.xcworkspace archive -scheme $SCHEME -archivePath build/$SCHEME.xcarchive
xcrun xcodebuild -quiet -exportArchive -archivePath build/$SCHEME.xcarchive -exportOptionsPlist ExportOptions.plist \
  -exportPath build/deploy

ExportOptions.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>method</key>
    <string>app-store</string>
    <key>teamID</key>
    <string>YOUR_TEAM_ID</string>
    <key>destination</key>
    <string>upload</string>
</dict>
</plist>