diff --git a/bitnami/postgresql/12/debian-12/Dockerfile b/bitnami/postgresql/12/debian-12/Dockerfile
index 256e80feafcc..0b6c911937e5 100644
--- a/bitnami/postgresql/12/debian-12/Dockerfile
+++ b/bitnami/postgresql/12/debian-12/Dockerfile
@@ -9,15 +9,15 @@ ARG WITH_ALL_LOCALES="no"
 
 LABEL com.vmware.cp.artifact.flavor="sha256:c50c90cfd9d12b445b011e6ad529f1ad3daea45c26d20b00732fae3cd71f6a83" \
       org.opencontainers.image.base.name="docker.io/bitnami/minideb:bookworm" \
-      org.opencontainers.image.created="2024-07-25T06:54:16Z" \
+      org.opencontainers.image.created="2024-08-09T07:58:52Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/postgresql/README.md" \
       org.opencontainers.image.licenses="Apache-2.0" \
-      org.opencontainers.image.ref.name="12.19.0-debian-12-r18" \
+      org.opencontainers.image.ref.name="12.20.0-debian-12-r0" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/postgresql" \
       org.opencontainers.image.title="postgresql" \
       org.opencontainers.image.vendor="Broadcom, Inc." \
-      org.opencontainers.image.version="12.19.0"
+      org.opencontainers.image.version="12.20.0"
 
 ENV HOME="/" \
     OS_ARCH="${TARGETARCH:-amd64}" \
@@ -30,7 +30,7 @@ SHELL ["/bin/bash", "-o", "errexit", "-o", "nounset", "-o", "pipefail", "-c"]
 RUN install_packages ca-certificates curl libbsd0 libbz2-1.0 libedit2 libffi8 libgcc-s1 libgmp10 libgnutls30 libhogweed6 libicu72 libidn2-0 libldap-2.5-0 liblz4-1 liblzma5 libmd0 libncurses6 libnettle8 libp11-kit0 libpcre3 libreadline8 libsasl2-2 libsqlite3-0 libssl3 libstdc++6 libtasn1-6 libtinfo6 libunistring2 libuuid1 libxml2 libxslt1.1 libzstd1 locales procps zlib1g
 RUN mkdir -p /tmp/bitnami/pkg/cache/ ; cd /tmp/bitnami/pkg/cache/ ; \
     COMPONENTS=( \
-      "postgresql-12.19.0-15-linux-${OS_ARCH}-debian-12" \
+      "postgresql-12.20.0-0-linux-${OS_ARCH}-debian-12" \
     ) ; \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
@@ -54,7 +54,7 @@ RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
 COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql/postunpack.sh
 RUN /opt/bitnami/scripts/locales/add-extra-locales.sh
-ENV APP_VERSION="12.19.0" \
+ENV APP_VERSION="12.20.0" \
     BITNAMI_APP_NAME="postgresql" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
diff --git a/bitnami/postgresql/12/debian-12/docker-compose-replication.yml b/bitnami/postgresql/12/debian-12/docker-compose-replication.yml
new file mode 100644
index 000000000000..c69b94744982
--- /dev/null
+++ b/bitnami/postgresql/12/debian-12/docker-compose-replication.yml
@@ -0,0 +1,38 @@
+# Copyright Broadcom, Inc. All Rights Reserved.
+# SPDX-License-Identifier: APACHE-2.0
+
+version: '2'
+
+services:
+  postgresql-master:
+    image: docker.io/bitnami/postgresql:12
+    ports:
+      - '5432'
+    volumes:
+      - 'postgresql_master_data:/bitnami/postgresql'
+    environment:
+      - POSTGRESQL_REPLICATION_MODE=master
+      - POSTGRESQL_REPLICATION_USER=repl_user
+      - POSTGRESQL_REPLICATION_PASSWORD=repl_password
+      - POSTGRESQL_USERNAME=postgres
+      - POSTGRESQL_PASSWORD=my_password
+      - POSTGRESQL_DATABASE=my_database
+      - ALLOW_EMPTY_PASSWORD=yes
+  postgresql-slave:
+    image: docker.io/bitnami/postgresql:12
+    ports:
+      - '5432'
+    depends_on:
+      - postgresql-master
+    environment:
+      - POSTGRESQL_REPLICATION_MODE=slave
+      - POSTGRESQL_REPLICATION_USER=repl_user
+      - POSTGRESQL_REPLICATION_PASSWORD=repl_password
+      - POSTGRESQL_MASTER_HOST=postgresql-master
+      - POSTGRESQL_PASSWORD=my_password
+      - POSTGRESQL_MASTER_PORT_NUMBER=5432
+      - ALLOW_EMPTY_PASSWORD=yes
+
+volumes:
+  postgresql_master_data:
+    driver: local
diff --git a/bitnami/postgresql/12/debian-12/prebuildfs/opt/bitnami/.bitnami_components.json b/bitnami/postgresql/12/debian-12/prebuildfs/opt/bitnami/.bitnami_components.json
index d4d09205b037..04140baaa29d 100644
--- a/bitnami/postgresql/12/debian-12/prebuildfs/opt/bitnami/.bitnami_components.json
+++ b/bitnami/postgresql/12/debian-12/prebuildfs/opt/bitnami/.bitnami_components.json
@@ -3,6 +3,6 @@
         "arch": "amd64",
         "distro": "debian-12",
         "type": "NAMI",
-        "version": "12.19.0-15"
+        "version": "12.20.0-0"
     }
 }
\ No newline at end of file
diff --git a/bitnami/postgresql/12/debian-12/rootfs/opt/bitnami/scripts/libpostgresql.sh b/bitnami/postgresql/12/debian-12/rootfs/opt/bitnami/scripts/libpostgresql.sh
index a5da57b04bd5..a1c28111e0ea 100644
--- a/bitnami/postgresql/12/debian-12/rootfs/opt/bitnami/scripts/libpostgresql.sh
+++ b/bitnami/postgresql/12/debian-12/rootfs/opt/bitnami/scripts/libpostgresql.sh
@@ -777,7 +777,7 @@ postgresql_stop() {
 #########################
 postgresql_start_bg() {
     local -r pg_logs=${1:-false}
-    local -r pg_ctl_flags=("-w" "-D" "$POSTGRESQL_DATA_DIR" "-l" "$POSTGRESQL_LOG_FILE" "-o" "--config-file=$POSTGRESQL_CONF_FILE --external_pid_file=$POSTGRESQL_PID_FILE --hba_file=$POSTGRESQL_PGHBA_FILE")
+    local -r pg_ctl_flags=("-W" "-D" "$POSTGRESQL_DATA_DIR" "-l" "$POSTGRESQL_LOG_FILE" "-o" "--config-file=$POSTGRESQL_CONF_FILE --external_pid_file=$POSTGRESQL_PID_FILE --hba_file=$POSTGRESQL_PGHBA_FILE")
     info "Starting PostgreSQL in background..."
     if is_postgresql_running; then
         return 0
diff --git a/bitnami/postgresql/12/debian-12/tags-info.yaml b/bitnami/postgresql/12/debian-12/tags-info.yaml
index c2f675932fa5..0496c95c154a 100644
--- a/bitnami/postgresql/12/debian-12/tags-info.yaml
+++ b/bitnami/postgresql/12/debian-12/tags-info.yaml
@@ -1,4 +1,4 @@
 rolling-tags:
 - "12"
 - 12-debian-12
-- 12.19.0
+- 12.20.0