Go Dev Dockerfile

Dockerfile

ARG GO_VERSION=1.13
ARG ALPINE_VERSION=3.10

FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION}
ARG USERNAME=vscode
ARG USER_UID=1000
ARG USER_GID=1000

# Setup user
RUN adduser $USERNAME -s /bin/sh -D -u $USER_UID $USER_GID && \
    mkdir -p /etc/sudoers.d && \
    echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME && \
    chmod 0440 /etc/sudoers.d/$USERNAME

# Install packages and Go language server
RUN apk add -q --update --progress --no-cache git sudo openssh-client zsh
RUN go get -u -v golang.org/x/tools/cmd/gopls 2>&1

# Setup shell
USER $USERNAME
RUN sh -c "$(wget -O- https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" "" --unattended &> /dev/null
ENV ENV="/home/$USERNAME/.ashrc" \
    ZSH=/home/$USERNAME/.oh-my-zsh \
    EDITOR=vi \
    LANG=en_US.UTF-8
RUN printf 'ZSH_THEME="robbyrussell"\nENABLE_CORRECTION="false"\nplugins=(git copyfile extract colorize dotenv encode64 golang)\nsource $ZSH/oh-my-zsh.sh' > "/home/$USERNAME/.zshrc"
RUN echo "exec `which zsh`" > "/home/$USERNAME/.ashrc"
USER root