diff --git a/postgres-12-image/docker-entrypoint.sh b/postgres-12-image/docker-entrypoint.sh
index 0ae0ecf8c..5d411ca11 100644
--- a/postgres-12-image/docker-entrypoint.sh
+++ b/postgres-12-image/docker-entrypoint.sh
@@ -88,8 +88,10 @@ docker_init_database_dir() {
 		set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@"
 	fi
 
+        [ -z "$POSTGRES_HOST_AUTH_METHOD" ] || AUTH_ARGS="--auth=${POSTGRES_HOST_AUTH_METHOD}"
+
 	# --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025
-	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'
+	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") $AUTH_ARGS '"$POSTGRES_INITDB_ARGS"' "$@"'
 
 	# unset/cleanup "nss_wrapper" bits
 	if [[ "${LD_PRELOAD:-}" == */libnss_wrapper.so ]]; then
diff --git a/postgres-13-image/docker-entrypoint.sh b/postgres-13-image/docker-entrypoint.sh
index 0ae0ecf8c..5d411ca11 100644
--- a/postgres-13-image/docker-entrypoint.sh
+++ b/postgres-13-image/docker-entrypoint.sh
@@ -88,8 +88,10 @@ docker_init_database_dir() {
 		set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@"
 	fi
 
+        [ -z "$POSTGRES_HOST_AUTH_METHOD" ] || AUTH_ARGS="--auth=${POSTGRES_HOST_AUTH_METHOD}"
+
 	# --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025
-	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'
+	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") $AUTH_ARGS '"$POSTGRES_INITDB_ARGS"' "$@"'
 
 	# unset/cleanup "nss_wrapper" bits
 	if [[ "${LD_PRELOAD:-}" == */libnss_wrapper.so ]]; then
diff --git a/postgres-14-image/docker-entrypoint.sh b/postgres-14-image/docker-entrypoint.sh
index 0ae0ecf8c..5d411ca11 100644
--- a/postgres-14-image/docker-entrypoint.sh
+++ b/postgres-14-image/docker-entrypoint.sh
@@ -88,8 +88,10 @@ docker_init_database_dir() {
 		set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@"
 	fi
 
+        [ -z "$POSTGRES_HOST_AUTH_METHOD" ] || AUTH_ARGS="--auth=${POSTGRES_HOST_AUTH_METHOD}"
+
 	# --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025
-	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'
+	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") $AUTH_ARGS '"$POSTGRES_INITDB_ARGS"' "$@"'
 
 	# unset/cleanup "nss_wrapper" bits
 	if [[ "${LD_PRELOAD:-}" == */libnss_wrapper.so ]]; then
diff --git a/postgres-15-image/docker-entrypoint.sh b/postgres-15-image/docker-entrypoint.sh
index 0ae0ecf8c..5d411ca11 100644
--- a/postgres-15-image/docker-entrypoint.sh
+++ b/postgres-15-image/docker-entrypoint.sh
@@ -88,8 +88,10 @@ docker_init_database_dir() {
 		set -- --waldir "$POSTGRES_INITDB_WALDIR" "$@"
 	fi
 
+        [ -z "$POSTGRES_HOST_AUTH_METHOD" ] || AUTH_ARGS="--auth=${POSTGRES_HOST_AUTH_METHOD}"
+
 	# --pwfile refuses to handle a properly-empty file (hence the "\n"): https://github.com/docker-library/postgres/issues/1025
-	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") '"$POSTGRES_INITDB_ARGS"' "$@"'
+	eval 'initdb --username="$POSTGRES_USER" --pwfile=<(printf "%s\n" "$POSTGRES_PASSWORD") $AUTH_ARGS '"$POSTGRES_INITDB_ARGS"' "$@"'
 
 	# unset/cleanup "nss_wrapper" bits
 	if [[ "${LD_PRELOAD:-}" == */libnss_wrapper.so ]]; then