diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1394 TILs and counting..._
+_1395 TILs and counting..._
 
 ---
 
@@ -194,6 +194,7 @@ _1394 TILs and counting..._
 ### Docker
 
 - [Configure Different Host And Container Ports](docker/configure-different-host-and-container-ports.md)
+- [Run A Basic PostgreSQL Server In Docker](docker/run-a-basic-postgresql-server-in-docker.md)
 
 ### Elixir
 
diff --git a/docker/run-a-basic-postgresql-server-in-docker.md b/docker/run-a-basic-postgresql-server-in-docker.md
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@@ -0,0 +1,36 @@
+# Run A Basic PostgreSQL Server In Docker
+
+Here is a basic `docker-compose.yml` file for spinning up a Docker container
+that runs a PostgreSQL server on port 5432. This is what I use to create a
+locally-running PostgreSQL server that lives inside a docker container.
+
+```yaml
+version: "3.7"
+services:
+  postgres:
+    image: postgres:latest
+    restart: always
+    environment:
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=postgres
+      - POSTGRES_DB=postgres
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./postgres-data:/var/lib/postgresql/data
+```
+
+To create the docker container and start it up, run the following command from
+the same directory where you put this file:
+
+```bash
+$ docker compose up
+```
+
+This command knows to look for the `docker-compose.yml` file though you can
+always be explicit about the file with the `-f` option.
+
+This configuration points at `postgres:latest` which currently is `16.1`. To
+run a different major version, you can change the `image` to something like
+`postgres:15`. See [Docker Hub](https://hub.docker.com/_/postgres) for more
+options.