Updated example for Prometheus, updated Go modules, and tweaked the devcontainer.

.devcontainer/Dockerfile

@@ -1,7 +1,7 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.194.3/containers/go/.devcontainer/base.Dockerfile
 
 # [Choice] Go version: 1, 1.16, 1.17
-ARG VARIANT="1.17"
+ARG VARIANT="1.18"
 FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
 
 # [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
@@ -9,9 +9,8 @@ ARG NODE_VERSION="none"
 RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
 
 # [Optional] Uncomment this section to install additional OS packages.
-# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
-RUN apt-get update && apt-get install -y --no-install-recommends libzmq3-dev libzmq5
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+  && apt-get -y install --no-install-recommends libzmq3-dev libzmq5
 
 # [Optional] Uncomment the next line to use go get to install anything else you need
 # RUN go get -x <your-dependency-or-tool>

.devcontainer/devcontainer.json

@@ -33,13 +33,22 @@
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [9000],
+	"forwardPorts": [9101, 35570, 35571, 35572],
 
 	// Use 'portsAttributes' to set default properties for specific forwarded ports. More info: https://code.visualstudio.com/docs/remote/devcontainerjson-reference.
 	"portsAttributes": {
-		"9000": {
-			"label": "Hello Remote World",
-			"onAutoForward": "notify"
-		}
+		"9101": {
+			"label": "Prometheus",
+		},
+		"35570": {
+			"label": "Router To Router",
+		},
+		"35571": {
+			"label": "Worker To Router",
+		},
+		"35572": {
+			"label": "Client To Router",
+		},
 	},
 
 	// Use 'otherPortsAttributes' to configure any ports that aren't configured using 'portsAttributes'.