VSCode: fanboying over devcontainers

// FILE: .devcontainers/devcontainer.json
// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
// https://github.com/microsoft/vscode-dev-containers/tree/v0.128.0/containers/hugo
{
  "name": "Hugo",
  "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"
    }
  },
  // Set *default* container specific settings.json values on container create.
  "settings": {
    "terminal.integrated.shell.linux": "/bin/zsh"
  },
  // Add the IDs of extensions you want installed when the container is created.
  "extensions": ["bungcip.better-toml", "davidanson.vscode-markdownlint"],
  // 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": "uname -a",
  // Uncomment to use Docker from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
  // "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
  // Uncomment when using a ptrace-based debugger like C++, Go, and Rust
  // "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
  // Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
  "remoteUser": "vscode",
  "shutdownAction": "stopContainer"
}

// FILE: .devcontainers/Dockerfile
FROM golang:1.13-alpine

# VARIANT can be either 'hugo' for the standard version or 'hugo_extended' for the extended version.
ARG VARIANT=hugo_extended
# VERSION can be either 'latest' or a specific version number
ARG VERSION=latest

RUN apk add --update --no-cache ca-certificates openssl git curl && \
    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} && \
    wget -O ${VERSION}.tar.gz https://github.com/gohugoio/hugo/releases/download/v${VERSION}/${VARIANT}_${VERSION}_Linux-64bit.tar.gz && \
    tar xf ${VERSION}.tar.gz && \
    mv hugo* /usr/bin/hugo && \
    go get github.com/yaegashi/muslstack && \
    muslstack -s 0x800000 /usr/bin/hugo

FROM mcr.microsoft.com/vscode/devcontainers/base:0-alpine-3.12
# Required for hugo_extended
RUN apk add --update --no-cache libc6-compat
COPY --from=0 /usr/bin/hugo /usr/bin
EXPOSE 1313
WORKDIR /src
CMD ["/usr/bin/hugo server"]