39 lines
1009 B
Bash
39 lines
1009 B
Bash
#!/usr/bin/env bash
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### Create a database backup.
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###
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### Usage:
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### $ docker-compose -f <environment>.yml (exec |run --rm) postgres backup
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set -o errexit
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set -o pipefail
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set -o nounset
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working_dir="$(dirname ${0})"
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source "${working_dir}/_sourced/constants.sh"
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source "${working_dir}/_sourced/messages.sh"
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message_welcome "Backing up the '${POSTGRES_DB}' database..."
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if [[ "${POSTGRES_USER}" == "postgres" ]]; then
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message_error "Backing up as 'postgres' user is not supported. Assign 'POSTGRES_USER' env with another one and try again."
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exit 1
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fi
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export PGHOST="${POSTGRES_HOST}"
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export PGPORT="${POSTGRES_PORT}"
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export PGUSER="${POSTGRES_USER}"
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export PGPASSWORD="${POSTGRES_PASSWORD}"
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export PGDATABASE="${POSTGRES_DB}"
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backup_filename="${BACKUP_FILE_PREFIX}_$(date +'%Y_%m_%dT%H_%M_%S').sql.gz"
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pg_dump | gzip > "${BACKUP_DIR_PATH}/${backup_filename}"
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message_success "'${POSTGRES_DB}' database backup '${backup_filename}' has been created and placed in '${BACKUP_DIR_PATH}'."
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