diff --git a/containers/javascript-node-mongo/.devcontainer/devcontainer.json b/containers/javascript-node-mongo/.devcontainer/devcontainer.json
index 38a4441457..c112e57f7e 100644
--- a/containers/javascript-node-mongo/.devcontainer/devcontainer.json
+++ b/containers/javascript-node-mongo/.devcontainer/devcontainer.json
@@ -21,6 +21,9 @@
 	// Uncomment the line below if you want to keep your containers running after VS Code shuts down.
 	// "shutdownAction": "none",
 
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "yarn install",
 
diff --git a/containers/javascript-node-postgres/.devcontainer/devcontainer.json b/containers/javascript-node-postgres/.devcontainer/devcontainer.json
index 6c519c1ecd..d183dc41d6 100644
--- a/containers/javascript-node-postgres/.devcontainer/devcontainer.json
+++ b/containers/javascript-node-postgres/.devcontainer/devcontainer.json
@@ -21,6 +21,9 @@
 	// Uncomment the line below if you want to keep your containers running after VS Code shuts down.
 	// "shutdownAction": "none",
 
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "yarn install",
 
diff --git a/containers/php-mariadb/.devcontainer/devcontainer.json b/containers/php-mariadb/.devcontainer/devcontainer.json
index 2f763db50e..1349b3bb83 100644
--- a/containers/php-mariadb/.devcontainer/devcontainer.json
+++ b/containers/php-mariadb/.devcontainer/devcontainer.json
@@ -20,6 +20,12 @@
 
 	"workspaceFolder": "/workspace",
 
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "php -v",
+
 	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
 	// "remoteUser": "vscode",
 }
diff --git a/containers/python-3-postgres/.devcontainer/devcontainer.json b/containers/python-3-postgres/.devcontainer/devcontainer.json
index efd5c7c8c2..7836b3e48f 100644
--- a/containers/python-3-postgres/.devcontainer/devcontainer.json
+++ b/containers/python-3-postgres/.devcontainer/devcontainer.json
@@ -35,6 +35,9 @@
 	// Uncomment the next line if you want to keep your containers running after VS Code shuts down.
 	// "shutdownAction": "none",
 
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
 	// Use 'postCreateCommand' to run commands after the container is created.
 	// "postCreateCommand": "pip install --user -r requirements.txt",