diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 12e4aa2..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e21dedd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,30 @@
+# macOS
+.DS_Store
+
+# Xcode / build artifacts
+build/
+DerivedData/
+*.xcarchive
+*.ipa
+*.dSYM
+*.dSYM.zip
+*.xcuserstate
+xcuserdata/
+
+# Signing / credentials (no versionar)
+*.mobileprovision
+*.p8
+*.p12
+*.cer
+ExportOptions.plist
+
+# fastlane generated
+fastlane/report.xml
+fastlane/README.md
+fastlane/Preview.html
+fastlane/test_output/
+
+# Documentos personales / binarios que no son del proyecto
+Justificante_*.pdf
+*.pkg
+og-image.png
diff --git a/PortfolioJournal.xcodeproj/project.xcworkspace/xcuserdata/alexandrev.xcuserdatad/UserInterfaceState.xcuserstate b/PortfolioJournal.xcodeproj/project.xcworkspace/xcuserdata/alexandrev.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index caab3b9..0000000
Binary files a/PortfolioJournal.xcodeproj/project.xcworkspace/xcuserdata/alexandrev.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ
diff --git a/PortfolioJournal/.DS_Store b/PortfolioJournal/.DS_Store
deleted file mode 100644
index 97a9bd9..0000000
Binary files a/PortfolioJournal/.DS_Store and /dev/null differ
diff --git a/PortfolioJournal/Assets.xcassets/.DS_Store b/PortfolioJournal/Assets.xcassets/.DS_Store
deleted file mode 100644
index 42828f7..0000000
Binary files a/PortfolioJournal/Assets.xcassets/.DS_Store and /dev/null differ
diff --git a/PortfolioJournal/Resources/Info.plist b/PortfolioJournal/Resources/Info.plist
index 5172472..180cadc 100644
--- a/PortfolioJournal/Resources/Info.plist
+++ b/PortfolioJournal/Resources/Info.plist
@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.1</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleURLTypes</key>
 	<array>
 		<dict>
@@ -30,7 +30,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>42</string>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>GADApplicationIdentifier</key>
 	<string>ca-app-pub-1549720748100858~9632507420</string>
 	<key>GADDelayAppMeasurementInit</key>
diff --git a/PortfolioJournalWidget/Info.plist b/PortfolioJournalWidget/Info.plist
index fe50bad..32695ab 100644
--- a/PortfolioJournalWidget/Info.plist
+++ b/PortfolioJournalWidget/Info.plist
@@ -15,9 +15,9 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.1</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>42</string>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>NSExtension</key>
diff --git a/Scripts/archive_and_upload_appstore.sh b/Scripts/archive_and_upload_appstore.sh
index fd6637c..f14be78 100755
--- a/Scripts/archive_and_upload_appstore.sh
+++ b/Scripts/archive_and_upload_appstore.sh
@@ -33,37 +33,41 @@ fail() {
   exit 1
 }
 
+# Resuelve la clave .p8 y la deja en la variable global P8_PATH.
+# IMPORTANTE: NO llamar con $(find_p8_file). El fichero temporal extraído de pass se
+# limpia con un `trap EXIT`; si la función corre dentro de un subshell de sustitución
+# de comandos, ese trap se dispara al cerrarse el subshell y borra el .p8 ANTES del
+# export (xcodebuild fallaba con "-authenticationKeyPath ... existing file").
 find_p8_file() {
   # 1. Variable de entorno explícita
   if [[ -n "$P8_PATH" ]]; then
     [[ -f "$P8_PATH" ]] || fail "No existe el fichero APPSTORE_P8_PATH=$P8_PATH"
-    echo "$P8_PATH"
     return
   fi
 
-  # 2. Extraer de pass y escribir en fichero temporal
+  # 2. Extraer de pass y escribir en fichero temporal (limpieza al salir del script)
   if command -v pass >/dev/null 2>&1 && pass show appstore/api-key-p8 &>/dev/null; then
     local tmp_p8
     tmp_p8="$(mktemp /tmp/AuthKey_XXXXXX.p8)"
     pass show appstore/api-key-p8 > "$tmp_p8"
     chmod 600 "$tmp_p8"
-    # Registrar para limpieza al salir
+    # Registrar para limpieza al salir del script (trap en el shell principal).
     trap "rm -f '$tmp_p8'" EXIT
-    echo "$tmp_p8"
+    P8_PATH="$tmp_p8"
     return
   fi
 
   # 3. Fichero por defecto en HOME
   local default_path="$HOME/AuthKey_${KEY_ID}.p8"
   if [[ -f "$default_path" ]]; then
-    echo "$default_path"
+    P8_PATH="$default_path"
     return
   fi
 
   # 4. Único .p8 en HOME
   local matches=("${HOME}"/*.p8(N))
   if (( ${#matches[@]} == 1 )); then
-    echo "${matches[1]}"
+    P8_PATH="${matches[1]}"
     return
   fi
 
@@ -143,7 +147,7 @@ main() {
   command -v xcodebuild >/dev/null 2>&1 || fail "xcodebuild no esta disponible"
   command -v xcrun >/dev/null 2>&1 || fail "xcrun no esta disponible"
 
-  P8_PATH="$(find_p8_file)"
+  find_p8_file   # asigna P8_PATH; NO usar $(...) o el trap del subshell borra el .p8
   P8_DIR="$(dirname "$P8_PATH")"
 
   echo "Usando proyecto: $PROJECT_PATH"