allow for additional container environment variables (#16)

Co-authored-by: Jasper Orschulko <Jasper.Orschulko@irisgmbh.de>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/16
Reviewed-by: luhahn <luhahn@noreply.gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/gitea/statefulset.yaml

@@ -87,6 +87,10 @@ spec:
               value: {{ .Values.gitea.config.server.SSH_LISTEN_PORT | quote }}
             - name: SSH_PORT
               value: {{ .Values.gitea.config.server.SSH_PORT | quote }}
+            {{- range .Values.statefulset.env }}
+            - name: {{ .name | quote | nospace }}
+              value: {{ .value | quote }}
+            {{- end }}
           ports:
             - name: ssh
               containerPort: {{ .Values.gitea.config.server.SSH_LISTEN_PORT }}