docker: fix /data ownership and permission (#7451)

* docker: fix /data ownership and permission

* chown if not owned by seaweed user

* fix github tests

* comments

* fix the unquoted variables in the case pattern matching

* Update docker/entrypoint.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update docker/entrypoint.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update entrypoint.sh

* Update entrypoint.sh

* Update docker/entrypoint.sh

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

docker/Dockerfile.e2e

@@ -3,6 +3,10 @@ FROM ubuntu:22.04
 LABEL author="Chris Lu"
 
 # Use faster mirrors and optimize package installation
+# Note: This e2e test image intentionally runs as root for simplicity and compatibility.
+# Production images (Dockerfile.go_build) use proper user isolation with su-exec.
+# For testing purposes, running as root avoids permission complexities and dependency
+# on Alpine-specific tools like su-exec (not available in Ubuntu repos).
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
     --no-install-recommends \
@@ -10,6 +14,7 @@ RUN apt-get update && \
     curl \
     fio \
     fuse \
+    ca-certificates \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* \
     && rm -rf /tmp/* \
@@ -18,7 +23,7 @@ RUN mkdir -p /etc/seaweedfs /data/filerldb2
 
 COPY ./weed /usr/bin/
 COPY ./filer.toml /etc/seaweedfs/filer.toml
-COPY ./entrypoint.sh /entrypoint.sh
+COPY ./entrypoint_e2e.sh /entrypoint.sh
 
 # volume server grpc port
 EXPOSE 18080