I took this in Porto last month using my newly purchased Canon r8 with a 24-240 lens. Settings. f4.5, iso 100, shutter 1.3 seconds.
Processing was done mainly in ON1 nonoise for sharpening and any noise that would be there. Some processing in Photoshop to remove all of the cranes which are over the city. I feel like Photoshop does the best job. Finally, i did a crap load of dodging and burning through LR's masking. Gradual gradient on top and bottom and over 15 gradients throughout the photo to bring out the depth of the lights.