update

Dockerfile

@@ -1,21 +1,17 @@
 FROM alpine:latest
+LABEL maintainer="fithwum"
 
 ARG VERSION
-ENV DEBIAN_FRONTEND=noninteractive
 WORKDIR /builder
 
-RUN apt-get update && apt-get install -y \
-    debootstrap wget curl bash ftp-upload dirmngr locales sudo git \
-    && apt-get clean
-
-# Setup locale
-RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
-    locale-gen && \
-    update-locale LANG=en_US.UTF-8
+# Install needed Alpine build tools
+RUN apk update && apk add --no-cache \
+    bash curl wget git sudo jq util-linux coreutils \
+    ca-certificates ftp-upload \
+    && update-ca-certificates
 
 COPY base-image-script/ base-image-script/
-
 RUN chmod +x base-image-script/*.sh
 
-# Default command overridden by workflow
+# Default command (overridden by CI)
 CMD ["bash"]