DATABASE TO PG

 MATTERMOST_DATA_DIRECTORY="/opt/mattermost/data/"
 MATTERMOST_DATA_DIRECTORY="/opt/mattermost/data/"
-DATABASE_NAME="mattermost"
-DATABASE_USER="mattermost"
+PGDATABASE="mattermost"
+PGUSER="mattermost"
 PGPASSWORD=""
 PGPASSWORD=""
-DATABASE_HOST="127.0.0.1"
-DATABASE_PORT="5432"
+PGHOST="127.0.0.1"
+PGPORT="5432"
 RETENTION_DAYS="730"
 RETENTION_DAYS="730"
 FILE_BATCH_SIZE="500"
 FILE_BATCH_SIZE="500"

@@ -28,7 +28,7 @@ async fn main() {
       Arg::new("db_name")
       Arg::new("db_name")
         .short('n')
         .short('n')
         .long("db-name")
         .long("db-name")
-        .env("DATABASE_NAME")
+        .env("PGDATABASE")
         .help("Database name")
         .help("Database name")
         .required(true),
         .required(true),
     )
     )
@@ -36,7 +36,7 @@ async fn main() {
       Arg::new("db_user")
       Arg::new("db_user")
         .short('u')
         .short('u')
         .long("db-user")
         .long("db-user")
-        .env("DATABASE_USER")
+        .env("PGUSER")
         .help("Database user")
         .help("Database user")
         .required(true),
         .required(true),
     )
     )
@@ -52,7 +52,7 @@ async fn main() {
       Arg::new("db_host")
       Arg::new("db_host")
         .short('h')
         .short('h')
         .long("db-host")
         .long("db-host")
-        .env("DATABASE_HOST")
+        .env("PGHOST")
         .help("Database host")
         .help("Database host")
         .required(true),
         .required(true),
     )
     )
@@ -60,7 +60,7 @@ async fn main() {
       Arg::new("db_port")
       Arg::new("db_port")
         .short('P')
         .short('P')
         .long("db-port")
         .long("db-port")
-        .env("DATABASE_PORT")
+        .env("PGPORT")
         .help("Database port")
         .help("Database port")
         .required(true),
         .required(true),
     )
     )