docs: fix stale docs (dead wiki links, nix structure, migration-test and build examples)

README.md

@@ -165,7 +165,7 @@ docker build -f Dockerfile-17 -t supabase-postgres:17 .
 
 Now that you understand the basics of Supabase Postgres:
 
-* Check the [Installation Guide](https://github.com/supabase/postgres/wiki) for deployment options
+* Check the [build guide](nix/docs/build-postgres.md) and [Docker docs](nix/docs/docker.md) for deployment options
 * Explore the [Extension Documentation](#) to learn about available extensions
 * Review [Contributing Guidelines](CONTRIBUTING.md) if you want to contribute
 * Join the [Supabase Community](https://github.com/supabase/postgres/discussions) for questions and discussions
@@ -174,7 +174,7 @@ Now that you understand the basics of Supabase Postgres:
 
 * **GitHub Issues** - For bugs and feature requests
 * **Discussions** - For questions and general discussion
-* **Wiki** - For detailed documentation
+* **[nix/docs](nix/docs/README.md)** - For detailed documentation
 * **Discord** - For real-time chat with the community
 
 ---
@@ -301,10 +301,9 @@ This is the same PostgreSQL build that powers [Supabase](https://supabase.io), b
 
 ## Install
 
-See all installation instructions in the [repo wiki](https://github.com/supabase/postgres/wiki).
+See the [documentation index](nix/docs/README.md) for installation instructions.
 
-[![Docker](https://github.com/supabase/postgres/blob/develop/docs/img/docker.png)](https://github.com/supabase/postgres/wiki/Docker)
-[![AWS](https://github.com/supabase/postgres/blob/develop/docs/img/aws.png)](https://github.com/supabase/postgres/wiki/AWS-EC2)
+[![Docker](https://github.com/supabase/postgres/blob/develop/docs/img/docker.png)](nix/docs/docker.md)
 
 <!-- ### Marketplace Images
 TODO: find way to automate this

nix/docs/build-postgres.md

@@ -97,19 +97,19 @@ _new_ hash.
 The ability to refer to a piece of data by its hash, by some notion of
 _content_, is a very powerful primitive, as we'll see later.
 
-## Build a different version: v16
+## Build a different version: v17
 
-What if we wanted PostgreSQL 16 and plugins? Just replace `_15` with `_16`:
+What if we wanted PostgreSQL 17 and plugins? Just replace `_15` with `_17`:
 
 ```
-nix build .#psql_16.bin
+nix build .#psql_17.bin
 ```
 
 You're done:
 
 ```
 $ readlink result
-/nix/store/p7ziflx0000s28bfb213jsghrczknkc4-postgresql-and-plugins-14.8
+/nix/store/p7ziflx0000s28bfb213jsghrczknkc4-postgresql-and-plugins-17.6
 ```
 
 

nix/docs/migration-tests.md

@@ -17,7 +17,7 @@ The arguments are:
 
 The versions for upgrading can be one of two forms:
 
-- A major version number, e.g. `14` or `15`
+- A major version number, e.g. `15` or `17`
 - A path to `/nix/store`, which points to _any_ version of PostgreSQL, as long
   as it has the "expected" layout and is a postgresql install.
 
@@ -35,16 +35,16 @@ the runbook on [running the server & client](./start-client-server.md) to refer
 to arbitrary git revisions.
 
 For example, if you updated an extension in this repository, and you want to
-test a migration from PostgreSQL 14 to PostgreSQL 14 + (updated extension),
+test a migration from PostgreSQL 15 to PostgreSQL 15 + (updated extension),
 using `pg_upgrade` — simply record the two git commits you want to
 compare, and you could do something like the following:
 
 ```
 OLD_GIT_VERSION=...
 NEW_GIT_VERSION=...
 
-nix run github:supabase/nix-postgres#migration-test \
-  $(nix build "github:supabase/nix-postgres/$OLD_GIT_VERSION#psql_14.bin") \
-  $(nix build "github:supabase/nix-postgres/$NEW_GIT_VERSION#psql_14.bin") \
+nix run github:supabase/postgres#migration-test \
+  $(nix build --print-out-paths --no-link "github:supabase/postgres/$OLD_GIT_VERSION#psql_15/bin") \
+  $(nix build --print-out-paths --no-link "github:supabase/postgres/$NEW_GIT_VERSION#psql_15/bin") \
   pg_upgrade
 ```

nix/docs/nix-directory-structure.md

@@ -107,6 +107,7 @@ Directory containing custom package definitions such as:
   - `start-replica.nix` - Replication tools
   - `migrate-tool.nix` - Migration utilities
   - `dbmate-tool.nix` - Database migration tool
+  - `postgres.nix` - Postgres extension registry and ourExtensions list
 
 #### `nix/checks.nix`
 
@@ -132,7 +133,6 @@ PostgreSQL package definitions:
 
 PostgreSQL extensions:
 
-- `default.nix` - Extension registry and ourExtensions list
 - Individual `.nix` files - Extension definitions like:
   - `pgvector.nix` - Vector similarity search
   - `pgsodium.nix` - Encryption extension