improve code for dockerfile (#256)

* improve code for dockerfile

* Update Dockerfile

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* improve code for file name

* improve code for dockerfile

* fix

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

entrypoint.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+set -e
+
+# Function to adjust rustfs user/group to match mounted directory ownership
+fix_permissions() {
+    local dir="$1"
+    local user="rustfs"
+    local group="rustfs"
+
+    # Skip if directory doesn't exist or isn't mounted
+    if [ ! -d "$dir" ]; then
+        echo "Directory $dir does not exist, creating it"
+        mkdir -p "$dir"
+        chown "$user:$group" "$dir"
+        chmod 700 "$dir"
+        return
+    fi
+
+    # Get directory ownership
+    local dir_uid=$(stat -c %u "$dir")
+    local dir_gid=$(stat -c %g "$dir")
+
+    # If directory is owned by root or inaccessible, skip adjustment
+    if [ "$dir_uid" = "0" ] || [ "$dir_gid" = "0" ]; then
+        echo "Warning: Directory $dir is owned by root, skipping UID/GID adjustment"
+        chown "$user:$group" "$dir"
+        chmod 700 "$dir"
+        return
+    fi
+
+    # Adjust rustfs user/group to match directory ownership
+    if [ "$dir_uid" != "$(id -u $user)" ]; then
+        echo "Adjusting UID of $user to $dir_uid for $dir"
+        usermod -u "$dir_uid" "$user"
+    fi
+    if [ "$dir_gid" != "$(id -g $group)" ]; then
+        echo "Adjusting GID of $group to $dir_gid for $dir"
+        groupmod -g "$dir_gid" "$group"
+    fi
+
+    # Ensure permissions are correct
+    chown "$user:$group" "$dir"
+    chmod 700 "$dir"
+}
+
+# Fix permissions for /data and /logs
+fix_permissions "/data"
+fix_permissions "/logs"
+
+# Run RustFS as the rustfs user
+exec gosu rustfs:rustfs "$@"