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31 lines
840 B
Bash
31 lines
840 B
Bash
#!/bin/sh
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# @see: https://github.com/nginx/docker-nginx-unprivileged/tree/main/stable/alpine-slim
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set -e
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entrypoint_log() {
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if [ -z "${NGINX_ENTRYPOINT_QUIET_LOGS:-}" ]; then
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echo "$@"
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fi
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}
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PORT=${PORT:-8080}
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case "$PORT" in
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''|*[!0-9]*) echo "ERROR: PORT must be a number, got '$PORT'" >&2; exit 1 ;;
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esac
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if [ "$PORT" -lt 1 ] || [ "$PORT" -gt 65535 ]; then
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echo "ERROR: PORT must be between 1 and 65535, got '$PORT'" >&2
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exit 1
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fi
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if [ "$PORT" != "8080" ]; then
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entrypoint_log "Changing Nginx listen port to $PORT"
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sed -i "s/listen 8080/listen $PORT/g; s/listen \[::\]:8080/listen [::]:$PORT/g" /etc/nginx/nginx.conf
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fi
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if [ "$DISABLE_IPV6" = "true" ]; then
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entrypoint_log "Disabling the Nginx IPv6 listener"
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sed -i '/^[[:space:]]*listen[[:space:]]*\[::\]:[0-9]*/s/^/#/' /etc/nginx/nginx.conf
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fi
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exit 0
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