feat: ADD work with local .env file #14

build.sh

@@ -10,6 +10,20 @@ OUTPUT_DIR="output"
 TEMPLATES_DIR="templates"
 ASSETS_DIR="assets"
 
+# Load .env if present; see .env.example for every option and its default.
+# Precedence: command line flags > environment > .env > built-in defaults.
+ENV_FILE="${ENV_FILE:-.env}"
+if [[ -f "$ENV_FILE" ]]; then
+    # Remember caller-supplied values so the file cannot clobber them
+    env_override=$(export -p | grep -E '^declare -x (STRIP_EXIF|GALLERY_TITLE|SHOW_FOOTER)=' || true)
+    # shellcheck source=/dev/null
+    source "$ENV_FILE"
+    if [[ -n "$env_override" ]]; then
+        eval "$env_override"
+    fi
+    unset env_override
+fi
+
 # Image metadata (EXIF/GPS/IPTC/XMP) is stripped by default.
 # Opt out with STRIP_EXIF=0 or --keep-exif.
 STRIP_EXIF="${STRIP_EXIF:-1}"
@@ -30,6 +44,9 @@ for arg in "$@"; do
             echo "  --keep-exif    do not strip image metadata (env: STRIP_EXIF=0)"
             echo "  --no-footer    hide the 'Powered by shellery' footer (env: SHOW_FOOTER=0)"
             echo "  --title=TEXT   page title and header, default 'Gallery' (env: GALLERY_TITLE)"
+            echo ""
+            echo "Options may also be set in .env (see .env.example)."
+            echo "Precedence: flags > environment > .env > defaults."
             exit 0 ;;
         *) echo "unknown option: $arg" >&2; exit 1 ;;
     esac