fixed image pull issue

compose/turnserver.conf

@@ -11,5 +11,4 @@ no-cli
 stale-nonce=600
 no-loopback-peers
 no-multicast-peers
-no-stdout-log
-log-file=/var/log/turnserver.log
+log-file=stdout

docker/coturn/Dockerfile

@@ -1,12 +1,5 @@
-FROM coturn:4.9.0-trixie
+FROM coturn/coturn:4.9.0-trixie
 
-RUN apt-get update \
-  && apt-get install -y --no-install-recommends \
-    ca-certificates \
-  && rm -rf /var/lib/apt/lists/*
-
-COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-
-RUN chmod 0755 /usr/local/bin/entrypoint.sh
+COPY --chmod=0755 entrypoint.sh /usr/local/bin/entrypoint.sh
 
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]