Add health checks.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Reduce the complexity of the thymeleaf engine by extending an existing class instead of writing my own evaluator.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
The monitor push period is now configurable.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Typos

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Improve code quality.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>