diff --git a/README.md b/README.md
index e71c96d..295ffee 100644
--- a/README.md
+++ b/README.md
@@ -47,13 +47,42 @@
## Docker container
-run:
+run, publish port 3000:
```
docker run --name api-server-3000 --publish 3000:3000 --env CONTAINER_NAME="Awesome API server on port 3000" -d api-server
```
+
+run, publish port 3001:
```
docker run --name api-server-3001 --publish 3001:3000 --env CONTAINER_NAME="Awesome API server on port 3001" -d api-server
```
+run, publish port 3002:
```
docker run --name api-server-3002 --publish 3002:3000 --env CONTAINER_NAME="Awesome API server on port 3002" -d api-server
```
+
+# Media
+
+## Docker vs VM
+
+
+
+## Docker elements
+
+
+
+## Dockerfile layers
+
+
+
+## Port publishing
+
+
+
+## Horizontal scaling
+
+
+
+## Volumes
+
+
diff --git a/media/docker-elements.svg b/media/docker-elements.svg
new file mode 100644
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+++ b/media/docker-elements.svg
@@ -0,0 +1,21 @@
+
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diff --git a/media/docker-vs-vm.svg b/media/docker-vs-vm.svg
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+
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diff --git a/media/dockerfile-layers.svg b/media/dockerfile-layers.svg
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+
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diff --git a/media/horizontal-scaling.svg b/media/horizontal-scaling.svg
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+
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diff --git a/media/port-publishing.svg b/media/port-publishing.svg
new file mode 100644
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+++ b/media/port-publishing.svg
@@ -0,0 +1,21 @@
+
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diff --git a/media/volumes.svg b/media/volumes.svg
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+++ b/media/volumes.svg
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+
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