From 51c91f8a679e378f54b0a25fbd80477ae1455b24 Mon Sep 17 00:00:00 2001
From: Shrikant Sharat Kandula <shrikant@appsmith.com>
Date: Tue, 23 Jan 2024 10:42:18 +0530
Subject: [PATCH] chore: Changes to Postgres to support readonly root FS
 (#30517)

---
 deploy/docker/fs/opt/appsmith/entrypoint.sh | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/deploy/docker/fs/opt/appsmith/entrypoint.sh b/deploy/docker/fs/opt/appsmith/entrypoint.sh
index 0587dec423..0c83f22fd6 100644
--- a/deploy/docker/fs/opt/appsmith/entrypoint.sh
+++ b/deploy/docker/fs/opt/appsmith/entrypoint.sh
@@ -390,9 +390,13 @@ init_postgres() {
     echo "Checking initialized local postgres"
     POSTGRES_DB_PATH="$stacks_path/data/postgres/main"
 
-    if [ -e "$POSTGRES_DB_PATH/PG_VERSION" ]; then
-        echo "Found existing Postgres, Skipping initialization"
-        chown -R postgres:postgres "$POSTGRES_DB_PATH"
+    mkdir -p "$POSTGRES_DB_PATH" "$TMP/pg-runtime"
+
+    # Postgres does not allow it's server to be run with super user access, we use user postgres and the file system owner also needs to be the same user postgres
+    chown -R postgres:postgres "$POSTGRES_DB_PATH" "$TMP/pg-runtime"
+
+    if [[ -e "$POSTGRES_DB_PATH/PG_VERSION" ]]; then
+      echo "Found existing Postgres, Skipping initialization"
     else
       echo "Initializing local postgresql database"
       mkdir -p "$POSTGRES_DB_PATH"
@@ -402,6 +406,7 @@ init_postgres() {
 
       # Initialize the postgres db file system
       su postgres -c "/usr/lib/postgresql/13/bin/initdb -D $POSTGRES_DB_PATH"
+      sed -Ei "s,^#(unix_socket_directories =).*,\\1 '$TMP/pg-runtime'," "$POSTGRES_DB_PATH/postgresql.conf"
 
       # Start the postgres server in daemon mode
       su postgres -c "/usr/lib/postgresql/13/bin/pg_ctl -D $POSTGRES_DB_PATH start"