Init

Author: lubien

Dockerfile

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+FROM lubien/tired-proxy:2 as proxy
+FROM hexpm/elixir:1.12.3-erlang-24.1.4-debian-bullseye-20210902-slim
+
+# install build dependencies
+RUN apt-get update -y && apt-get install -y build-essential git \
+    && apt-get clean && rm -f /var/lib/apt/lists/*_* \
+    && apt update \
+    && apt install curl --yes \
+    && apt-get install unzip -y \
+    && curl -fsSL https://code-server.dev/install.sh | sh
+
+# prepare build dir
+WORKDIR /app
+
+# Use bash shell
+ENV SHELL=/bin/bash
+
+# Apply VS Code settings
+COPY settings.json /root/.local/share/code-server/User/settings.json
+
+# Use our custom entrypoint script first
+COPY entrypoint.sh /entrypoint.sh
+
+RUN curl -L https://fly.io/install.sh | sh \
+    && echo 'export FLYCTL_INSTALL="/root/.fly"' >> ~/.bashrc \
+    && echo 'export PATH="$FLYCTL_INSTALL/bin:$PATH"' >> ~/.bashrc \
+    && code-server --install-extension elixir-lsp.elixir-ls \
+    && code-server --install-extension FlyIoStaging.fly-extension
+
+COPY --from=proxy /tired-proxy /tired-proxy
+
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

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+#!/bin/bash
+
+TIME_TO_SHUTDOWN="${IDLE_TIME_TO_SHUTDOWN:-120}"
+
+mkdir -p /project
+
+# In case fly volumes put something there
+rm -rf '/project/lost+found'
+
+if [ -z "$(ls -A /project)" ]; then
+    echo "Preparing project"
+
+    rm -rf /project
+    git clone $GIT_REPO /project
+
+    cd /project
+
+    echo "Preparing README"
+
+    # We need to use a temporary file because `sh` does not 
+    # work properly rewritting files directly with `sed` not `tee`
+    sed "s/\${FLY_CODE_URL}/https:\/\/${FLY_APP_NAME}.fly.dev/g" README.md | \
+        sed "s/\${FLY_DEVELOPMENT_URL}/https:\/\/${FLY_APP_NAME}.fly.dev:4000/g" | \
+        tee /tmp/README.md
+
+    mv /tmp/README.md /project/README.md
+
+    echo "Setting up Elixir environment"
+
+    mix local.hex --force
+    mix local.rebar --force
+    mix deps.get
+fi
+
+code-server --bind-addr 0.0.0.0:9090 /project &
+    /tired-proxy --port 8080 --host http://localhost:9090 --time $TIME_TO_SHUTDOWN

settings.json

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+{
+    "workbench.colorTheme": "Default Dark+",
+    "git.postCommitCommand": "sync",
+    "git.enableSmartCommit": true,
+    "git.confirmSync": false,
+    "git.autofetch": true
+  }