diff --git a/Dockerfile b/Dockerfile
index b79713f..2a44ca4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN set -eux; \
 	echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen; \
 	locale-gen; \
 	locale -a | grep 'en_US.utf8'
-ENV LANG en_US.utf8
+ENV LANG=en_US.utf8
 
 RUN set -eux; \
 	apt-get update; \
@@ -110,25 +110,24 @@ RUN set -ex; \
 	find /usr -name '*.pyc' -type f -exec bash -c 'for pyc; do dpkg -S "$pyc" &> /dev/null || rm -vf "$pyc"; done' -- '{}' +; \
 	postgres --version
 
-#RUN set -eux; \
-#	 savedAptMark="$(apt-mark showmanual)"; \
-#	 apt-get update; \
-#    apt-get install -y --no-install-recommends ca-certificates wget libjson-c-dev libcurlpp-dev; \
-#    apt-get build-dep -y "postgresql-$PG_MAJOR=$PG_VERSION"; \
-#	 rm -rf /var/lib/apt/lists/*; \
-#    tempDir="$(mktemp -d)"; \
-#    nproc="$(nproc)"; \
-#    cp /usr/include/postgresql/15/server/pg_config.h /usr/include/postgresql/; \
-#    cd "$tempDir"; \
-#    wget https://github.com/EnterpriseDB/repmgr/releases/download/v5.5.0/repmgr-5.5.0.tar.gz; \
-#    echo "c5633c351f3a0627a53ac1828ac7581ee74c7e0c  repmgr-5.5.0.tar.gz" | sha1sum --check && \
-#    tar -xvzf repmgr-5.5.0.tar.gz; \
-#    cd repmgr; \
-#    ./configure && make -j "$nproc" install; \
-#	 apt-mark auto '.*' > /dev/null; \
-#	 [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \
-#	 apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
-
+RUN set -eux; \
+	 savedAptMark="$(apt-mark showmanual)"; \
+	 apt-get update; \
+    apt-get install -y --no-install-recommends ca-certificates wget libjson-c-dev libcurlpp-dev; \
+    apt-get build-dep -y "postgresql-$PG_MAJOR=$PG_VERSION"; \
+	 rm -rf /var/lib/apt/lists/*; \
+    tempDir="$(mktemp -d)"; \
+    nproc="$(nproc)"; \
+    cp /usr/include/postgresql/15/server/pg_config.h /usr/include/postgresql/; \
+    cd "$tempDir"; \
+    wget https://github.com/EnterpriseDB/repmgr/releases/download/v5.5.0/repmgr-5.5.0.tar.gz; \
+    echo "c5633c351f3a0627a53ac1828ac7581ee74c7e0c  repmgr-5.5.0.tar.gz" | sha1sum --check && \
+    tar -xvzf repmgr-5.5.0.tar.gz; \
+    cd repmgr; \
+    ./configure && make -j "$nproc" install; \
+	 apt-mark auto '.*' > /dev/null; \
+	 [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; \
+	 apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false
 
 RUN set -eux; \
 	dpkg-divert --add --rename --divert "/usr/share/postgresql/postgresql.conf.sample.dpkg" "/usr/share/postgresql/$PG_MAJOR/postgresql.conf.sample"; \