mirror of
https://github.com/kikootwo/ReadMeABook.git
synced 2026-06-03 21:00:09 +00:00
Joe Harrison
7addb1dc70
Implements smart detection that allows users to provide external DATABASE_URL or REDIS_URL. When external services are detected, internal instances are automatically disabled to save resources. Maintains full backward compatibility with existing setup
40 lines
1.3 KiB
Bash
40 lines
1.3 KiB
Bash
#!/bin/bash
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# PostgreSQL startup wrapper for unified container
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# Smart supervisor: detects external PostgreSQL and sleeps instead of starting local instance
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#
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# Behavior:
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# - If DATABASE_URL points to external host (not 127.0.0.1/localhost), sleep infinity
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# - Otherwise, start local PostgreSQL instance
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set -e
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# Load environment from /etc/environment (set by entrypoint)
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if [ -f /etc/environment ]; then
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set -a
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source /etc/environment
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set +a
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fi
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echo "[PostgreSQL] Checking for external database configuration..."
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# Extract host from DATABASE_URL
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# Format: postgresql://user:pass@host:port/db
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if [ -n "$DATABASE_URL" ]; then
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# Extract the host part (between @ and :port or /)
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DB_HOST=$(echo "$DATABASE_URL" | sed -n 's|.*@\([^:/]*\).*|\1|p')
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echo "[PostgreSQL] Detected DATABASE_URL host: $DB_HOST"
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# Check if host is external (not localhost or 127.0.0.1)
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if [ "$DB_HOST" != "127.0.0.1" ] && [ "$DB_HOST" != "localhost" ]; then
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echo "[PostgreSQL] ✅ External PostgreSQL detected at $DB_HOST"
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echo "[PostgreSQL] Skipping local PostgreSQL startup - sleeping to keep supervisord happy"
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exec sleep infinity
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fi
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fi
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echo "[PostgreSQL] Starting local PostgreSQL server..."
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# Start PostgreSQL as postgres user
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exec /usr/lib/postgresql/16/bin/postgres -D /var/lib/postgresql/data
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