[server] Allow a configurable sslmode (#1327)

Tested that

- [x] Existing defaults remain unchanged
- [x] Setting db.sslmode = require in museum.yaml is honoured (in the
docker compose environment, that causes the db connection to fail as
expected)

server/configurations/local.yaml

@@ -76,6 +76,9 @@ db:
     host: localhost
     port: 5432
     name: ente_db
+    # You might want to set this to "require" for production
+    # See https://www.postgresql.org/docs/current/libpq-ssl.html#LIBPQ-SSL-PROTECTION
+    sslmode: disable
     # These can be specified here, or alternatively provided via the environment
     # as ENTE_DB_USER and ENTE_DB_PASSWORD.
     user:
@@ -303,4 +306,4 @@ jobs:
         # By default, this job is disabled.
         enabled: false
         # If provided, only objects that begin with this prefix are pruned.
-        prefix: ""
+        prefix: ""

server/pkg/utils/config/config.go

@@ -103,12 +103,13 @@ func doesFileExist(path string) (bool, error) {
 
 func GetPGInfo() string {
 	return fmt.Sprintf("host=%s port=%d user=%s "+
-		"password=%s dbname=%s sslmode=disable",
+		"password=%s dbname=%s sslmode=%s",
 		viper.GetString("db.host"),
 		viper.GetInt("db.port"),
 		viper.GetString("db.user"),
 		viper.GetString("db.password"),
-		viper.GetString("db.name"))
+		viper.GetString("db.name"),
+		viper.GetString("db.sslmode"))
 }
 
 func IsLocalEnvironment() bool {