Update devcontainer settings (#574)

- Add some packages to help with development (jq, nftables)
- Clean up env locale and install en_US
- Fix init script failure on *nix
- Add some ruby vscode extension

.devcontainer/Dockerfile

@@ -16,6 +16,7 @@ RUN echo "APT::Install-Recommends 0;" >> /etc/apt/apt.conf.d/01norecommends \
     wget \
     net-tools \
     wireguard \
+    nftables \
     inotify-tools \
     ca-certificates \
     build-essential \
@@ -40,6 +41,8 @@ RUN echo "APT::Install-Recommends 0;" >> /etc/apt/apt.conf.d/01norecommends \
     bsdmainutils \
     gpg \
     dirmngr \
+    jq \
+    locales \
   # Clean up
   && apt-get autoremove -y \
   && apt-get clean -y \
@@ -55,6 +58,14 @@ RUN echo "APT::Install-Recommends 0;" >> /etc/apt/apt.conf.d/01norecommends \
   && mkdir -p /workspace \
   && chown -R $USERNAME /workspace
 
+# Set the locale to en_US.UTF-8 and TZ to UTC
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+    locale-gen
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+ENV TZ 'UTC'
+
 ENV DEBIAN_FRONTEND=dialog
 
 FROM dev-base AS setup-asdf
@@ -74,8 +85,6 @@ ARG USERNAME=vscode
 USER $USERNAME
 WORKDIR /home/$USERNAME
 ENV HOME=/home/$USERNAME \
-  TZ="UTC" \
-  LC_ALL="C.UTF-8" \
   ASDF_DIR="/opt/asdf" \
   ASDF_DATA_DIR="/opt/asdf-data"
 
@@ -104,6 +113,7 @@ VOLUME ["${ASDF_DATA_DIR}"]
 # Pre-commit install with deps
 RUN pip install setuptools wheel
 RUN pip install pre-commit
+RUN gem install rubocop
 
 ENV PATH=${HOME}/.local/bin:/opt/asdf-data/shims:/opt/asdf/bin:${PATH}
 

.devcontainer/devcontainer.json

@@ -14,7 +14,8 @@
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
 		"jakebecker.elixir-ls",
-		"phoenixframework.phoenix"
+		"phoenixframework.phoenix",
+		"rebornix.ruby"
 	],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.

.devcontainer/init

@@ -1 +1,3 @@
+#!/bin/sh
+
 cp .tool-versions .devcontainer/.tool-versions