Bash script to deploy SvelteKit apps to CapRover. Auto-installs CapRover and configures app for Node Servers.

deploy.sh

#!/bin/bash

# This script prepares and deploys SvelteKit for Node servers. See: https://kit.svelte.dev/docs/adapter-node#deploying for details.

APP_NAME="<replace_with_app_name>"
APP_TOKEN="<replace_with_token>"
CAPROVER_URL="https://root-domain.com"

if ! [ -x "$(command -v caprover)" ]; then
  echo "Installing CapRover globally."
  npm install --quiet -g caprover
fi

# Check if @sveltejs/adapter-node is present in package.json
if ! grep -q "@sveltejs/adapter-node" package.json; then
  echo "This script prepares and deploys SvelteKit for Node servers. See: https://kit.svelte.dev/docs/adapter-node#deploying for details."
  echo "This script can add @sveltejs/adapter-node to your package.json and update svelte.config.js. If you would like to do this, please enter 'y' and press enter."

  # Prompt user to enter y and press enter, or CTRL+C to exit
  read -r -p "Continue? [y/N] " response
  case "$response" in
      [yY][eE][sS]|[yY])
          ;;
      *)
          exit
          ;;
  esac
  npm remove @sveltejs/adapter-auto
  npm install --save-dev @sveltejs/adapter-node
  sed -i 's/@sveltejs\/adapter-auto/@sveltejs\/adapter-node/g' svelte.config.js
  exit;
fi

# Create a temporary directory
temp_dir=$(mktemp -d)

echo "Copying files to $temp_dir. This could take a while..."

# Copy the files to the temporary directory
cp -r node_modules/ build/ package*.json "$temp_dir"

# Change to the temporary directory
cd "$temp_dir" || exit

# Run npm ci --omit dev against the copied files
echo "Prepping SvelteKit for Node servers. See: https://kit.svelte.dev/docs/adapter-node#deploying for details."
npm ci --omit dev

# Adding a Dockerfile. If including any ENV variables in CapRover, they must be added here using ENV as well.
cat <<EOF > Dockerfile
FROM node:18-alpine
USER nobody
COPY . .
ENV PORT 80
EXPOSE 80
ENV NODE_ENV production
ENTRYPOINT ["node", "build/index.js"]
EOF

# Create a deploy.tar file with the updated files
tar -cf deploy.tar .

# Use CapRover to Deploy
caprover deploy --tarFile deploy.tar \
    --appName ${APP_NAME} \
    --appToken  ${APP_TOKEN} \
    --caproverUrl ${CAPROVER_URL} \

# Change back to the original directory
cd "$OLDPWD" || exit

# Remove the temporary directory
rm -rf "$temp_dir"