forked from ungleich-public/dynamicweb
Sajeyks
619a20394e
Runs postgres, redis, the web app and a celery worker. Dev defaults live in .env.docker with an optional .env override. The entrypoint generates and persists the Django secret key and waits for postgres; the web service migrates and creates a Site row for every configured domain. SQL dumps placed in db-init/ are restored on first start and are git-ignored.
50 lines
1.5 KiB
Bash
Executable file
50 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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set -ue
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cd /usr/src/app/
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# Persist a generated Django secret key in a shared volume so that every
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# container (web, celery) uses the same one across restarts.
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if [ -z "${DJANGO_SECRET_KEY:-}" ]; then
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KEY_FILE="${SECRET_KEY_FILE:-/data/secret-key}"
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mkdir -p "$(dirname "$KEY_FILE")"
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if [ ! -s "$KEY_FILE" ]; then
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TMP_KEY="$KEY_FILE.$$"
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python -c 'import random,string;print("".join(random.SystemRandom().choice(string.ascii_letters+string.digits) for _ in range(64)))' > "$TMP_KEY"
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# hard link is atomic: only one container wins the race
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ln "$TMP_KEY" "$KEY_FILE" 2>/dev/null || true
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rm -f "$TMP_KEY"
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fi
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DJANGO_SECRET_KEY="$(cat "$KEY_FILE")"
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export DJANGO_SECRET_KEY
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fi
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cat > dynamicweb/settings/dynamic.py <<PYEOF
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.postgresql_psycopg2',
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'NAME': '${POSTGRES_DB:-app}',
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'USER': '${POSTGRES_USER:-app}',
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'PASSWORD': '${POSTGRES_PASSWORD:-app}',
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'HOST': '${POSTGRES_HOST:-db}',
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'PORT': '${POSTGRES_PORT:-5432}',
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}
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}
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PYEOF
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# Wait for postgres to accept connections
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python - <<'PYEOF'
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import os, socket, sys, time
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host = os.environ.get('POSTGRES_HOST', 'db')
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port = int(os.environ.get('POSTGRES_PORT', 5432))
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for _ in range(60):
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try:
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socket.create_connection((host, port), 2).close()
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sys.exit(0)
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except OSError:
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time.sleep(1)
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sys.exit("postgres at %s:%s not reachable" % (host, port))
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PYEOF
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exec "$@"
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