add support for devcontainers and direct run

.devcontainer/Dockerfile

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+# Update the NODE_VERSION arg in docker-compose.yml to pick a Node version: 10, 12, 14
+ARG NODE_VERSION=14
+FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${NODE_VERSION}
+
+# VARIANT can be either 'hugo' for the standard version or 'hugo_extended' for the extended version.
+ARG VARIANT=hugo
+# VERSION can be either 'latest' or a specific version number
+ARG VERSION=latest
+
+# Download Hugo
+RUN apt-get update && apt-get install -y ca-certificates openssl git curl && \
+    rm -rf /var/lib/apt/lists/* && \
+    case ${VERSION} in \
+    latest) \
+    export VERSION=$(curl -s https://api.github.com/repos/gohugoio/hugo/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4)}') ;;\
+    esac && \
+    echo ${VERSION} && \
+    case $(uname -m) in \
+    aarch64) \
+    export ARCH=ARM64 ;; \
+    *) \
+    export ARCH=64bit ;; \
+    esac && \
+    echo ${ARCH} && \
+    wget -O ${VERSION}.tar.gz https://github.com/gohugoio/hugo/releases/download/v${VERSION}/${VARIANT}_${VERSION}_Linux-${ARCH}.tar.gz && \
+    tar xf ${VERSION}.tar.gz && \
+    mv hugo /usr/bin/hugo
+
+# Hugo dev server port
+EXPOSE 1313
+
+# [Optional] Uncomment this section to install additional OS packages you may want.
+#
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment if you want to install more global node packages
+# RUN sudo -u node npm install -g <your-package-list-here>

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.217.4/containers/hugo
+{
+	"name": "Hugo (Community)",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Update VARIANT to pick hugo variant.
+			// Example variants: hugo, hugo_extended
+			// Rebuild the container if it already exists to update.
+			"VARIANT": "hugo_extended",
+			// Update VERSION to pick a specific hugo version.
+			// Example versions: latest, 0.73.0, 0,71.1
+			// Rebuild the container if it already exists to update.
+			"VERSION": "latest",
+			// Update NODE_VERSION to pick the Node.js version: 12, 14
+			"NODE_VERSION": "14",
+		}
+	},
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"html.format.templating": true,
+	},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"bungcip.better-toml",
+		"davidanson.vscode-markdownlint",
+		"GitHub.vscode-pull-request-github",
+		"gitkraken.gitkraken-authentication",
+		"eamodio.gitlens"
+	],
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		1313
+	],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "git submodule update --init --recursive",
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "node",
+	"features": {
+		"git": "os-provided"
+	}
+}

.vscode/tasks.json

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+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Start local Hugo server",
+            "type": "shell",
+            "command": "hugo serve",
+            "problemMatcher": []
+        }
+    ]
+}