add shh for postgres

Dockerfile

@@ -1,5 +1,7 @@
 FROM postgres:15
 
+
+
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
             postgresql-$PG_MAJOR-repmgr \
@@ -9,7 +11,17 @@ RUN apt-get update && \
 RUN install --verbose --directory --owner postgres --group postgres --mode 1777 /etc/repmgr
 VOLUME /etc/repmgr
 
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+            openssh-server \
+                && \
+    rm -rf /var/lib/apt/lists/* \
+    mkdir -p /var/lib/postgresql/.ssh \
+    chmod 700 /var/lib/postgresql/.ssh \
+    chown postgres: /var/lib/postgresql/.ssh
+
 COPY --chmod=644 --chown=postgres profile /var/lib/postgresql/.profile
+COPY --chmod=600 --chown=postgres authorized_keys id_e25519 /var/lib/postgresql/.ssh/
 
 COPY --chmod=755 entrypoint.sh /usr/local/bin/