38 lines
1.0 KiB
Bash
38 lines
1.0 KiB
Bash
#!/bin/bash
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set -e
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cmd="$@"
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# This entrypoint is used to play nicely with the current cookiecutter configuration.
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# Since docker-compose relies heavily on environment variables itself for configuration, we'd have to define multiple
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# environment variables just to support cookiecutter out of the box. That makes no sense, so this little entrypoint
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# does all this for us.
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export REDIS_URL=redis://redis:6379
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# the official postgres image uses 'postgres' as default user if not set explictly.
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if [ -z "$POSTGRES_USER" ]; then
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export POSTGRES_USER=postgres
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fi
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export DATABASE_URL=postgres://$POSTGRES_USER:$POSTGRES_PASSWORD@postgres:5432/$POSTGRES_USER
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function postgres_ready(){
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python << END
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import sys
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import psycopg2
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try:
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conn = psycopg2.connect(dbname="$POSTGRES_USER", user="$POSTGRES_USER", password="$POSTGRES_PASSWORD", host="postgres")
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except psycopg2.OperationalError:
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sys.exit(-1)
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sys.exit(0)
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END
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}
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until postgres_ready; do
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>&2 echo "Postgres is unavailable - sleeping"
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sleep 1
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done
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>&2 echo "Postgres is up - continuing..."
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exec $cmd
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