The Basics are the items every one must have, food and water dishes come to mind. Feeding dishes should be ceramic or stainless steel when possible--non-tip is another important factor. The easy to clean and not easily tipped features become very important. A clean dish will prevent puppy acne. These are all Amazon links (click on the product name to purchase the item) ; we make an affiliate fee if you purchase from our page.
The heavy crock could double as a water dish. Your situation may be unique and you might be offering water outside (except in the winter). That always means less mess inside. In fact, some people like to feed their puppy on the deck adjacent to the yard. Others feed inside the crate. These decisions are person ones that are based on your environment and lifestyle. If you have young children, it may well be wise to only feed in their crate--and to only give a bone inside the crate unless you know they are rock-solid safe and won't nip with someone reaches for the bone. 

Another feeding issue is gulping their food. This needs to be discouraged. Not every Weimaraner is prone to this habit--some are nibblers and you could allow them access to food and they never over eat. Others eat everything in sight and gulp it along with a healthy dose of air with each bite. This practice is suspected to lead to GDV (more commonly called bloat). It is life-threatening so discouraging it is important. There are feed bowls made to slow their eating down. As you can see, there are various kinds of bowls.
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Plenty of clean fresh water is important. While the pup is very small it will not be difficult to keep a water bowl filled. Preventing the mess associate with water is another thing entirely.

There are many solutions but again this is going to depend upon personal preference and the environment. You might also want to keep in mind that the bottled water jugs can become a play thing--tipping them over the goal. 

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The right crate choice is important. We get more queries about buying the right type and size of crate than any other topic. Truthfully, there is not a simple one-size-fits every situation answer. Once again, this is going to depend on your preference and how you will use the crate.

Typically, we feel it is best to start off with one that is portable if you are only going to have a single crate. If you are thinking about using a larger wire kennel is a particular location, then we suggest you invest in the second smaller kennel to move around the house. 

 The Intermediate is appropriate for the larger Weimaraner puppy that weighs closer to 15 lbs upon arrival. 
The smallest starter crate size you should consider is the 200  --this will only work for a few weeks. Regardless, it is a great size for a beginner. 
      Size: 28" L X 20.5" W X 21.5"H
You are not setting up a condo living based on luxury; the extra space in a crate easily can become a bathroom. Instead, you want the space slightly larger than the pup.
They are going to outgrow this Medium sized crate (the 200) really fast. Nevertheless, it can be convenient to tote around the house and to use in the car.

If you prefer the Wire Crate

May we suggest the Life Stages Crate. Depending upon the available space and your personal preferences there are various configurations. Some have two doors, and all have the divider to make the crate smaller during housebreaking. Here are some options below--the larger wire crate
( Double door metal dog crate, 48L x 30W x 33H inches ) Is large enough for a larger adult Weimaraner-- with the divider can work for the puppy. The slightly smaller crate requires less room than 48" Long crate, and in many instances, a single door might be preferred. 
(Single door metal dog crate, 42L x 28W x 31H inches)