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Generate deployment scripts for an application.

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mix_deploy priv templates sync-config-s3.eex
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priv/templates/sync-config-s3.eex 

#!/bin/sh



# Sync config files from S3 bucket to app config dir



set -e



# Env vars

# CONFIG_S3_BUCKET: bucket name

# CONFIG_S3_PREFIX: path prefix in bucket, optional, should end with a trailing slash

# DESTDIR, prefix for target files, optional



# Config vars

CONFIG_DIR="${CONFIG_DIR:-"<%= configuration_dir %>"}"

DEPLOY_USER="${DEPLOY_USER:-"<%= deploy_user %>"}"

APP_GROUP="${APP_USER:-"<%= app_group %>"}"



# Make sure files are created with restrictive file permissions

umask 077



echo "Starting $0"



aws s3 sync --exact-timestamps --no-progress "s3://${CONFIG_S3_BUCKET}/${CONFIG_S3_PREFIX}" "${DESTDIR}${CONFIG_DIR}/"



chown -R "$DEPLOY_USER:$APP_GROUP" "${DESTDIR}$CONFIG_DIR"

find -H "${DESTDIR}$CONFIG_DIR" -type f -exec chmod 640 {} \;

find -H "${DESTDIR}$CONFIG_DIR" -type d -exec chmod 750 {} \;