Update Dockerfile

Dockerfile

@@ -13,7 +13,12 @@ RUN apk add --no-cache \
       shadow
 
 # Install pnpm globally
-RUN npm install -g pnpm
+# bash
+RUN wget -qO- https://get.pnpm.io/install.sh | ENV="$HOME/.bashrc" SHELL="$(which bash)" bash -
+# sh
+RUN wget -qO- https://get.pnpm.io/install.sh | ENV="$HOME/.shrc" SHELL="$(which sh)" sh -
+# dash
+RUN wget -qO- https://get.pnpm.io/install.sh | ENV="$HOME/.dashrc" SHELL="$(which dash)" dash -
 
 # --- Create non-root user ---
 # Create group and user (uid/gid = 1000 by convention)