Alpine issue with v0.7.0

[Xeboc]

In v0.6.0:

root@932f4596e53e:/# apk update
fetch http://apt-proxy:3142/alpine/v3.22/main/x86_64/APKINDEX.tar.gz
fetch http://apt-proxy:3142/alpine/v3.22/community/x86_64/APKINDEX.tar.gz
v3.22.2-174-g7d15a0a9663 [http://apt-proxy:3142/alpine/v3.22/main]
v3.22.2-173-ge9ba506b82f [http://apt-proxy:3142/alpine/v3.22/community]
OK: 26320 distinct packages available

With logs:

apt-proxy  | 2025/11/11 14:31:49 using specified [Alpine] mirror [http://dl-cdn.alpinelinux.org]
apt-proxy  | 2025/11/11 14:31:49 starting apt-proxy
apt-proxy  | 2025/11/11 14:31:49 listening on 0.0.0.0:3142
apt-proxy  | 2025/11/11 14:31:49 server started successfully 🚀
apt-proxy  | 2025/11/11 14:32:05 Rewrote "/alpine/v3.22/main/x86_64/APKINDEX.tar.gz" to "http://dl-cdn.alpinelinux.org/v3.22/main/x86_64/APKINDEX.tar.gz"
apt-proxy  | 2025/11/11 14:32:06 172.31.1.1 "GET http://dl-cdn.alpinelinux.org/v3.22/main/x86_64/APKINDEX.tar.gz HTTP/1.1" (OK) 499999 MISS 310.623552ms
apt-proxy  | 2025/11/11 14:32:06 Rewrote "/alpine/v3.22/community/x86_64/APKINDEX.tar.gz" to "http://dl-cdn.alpinelinux.org/v3.22/community/x86_64/APKINDEX.tar.gz"
apt-proxy  | 2025/11/11 14:32:06 172.31.1.1 "GET http://dl-cdn.alpinelinux.org/v3.22/community/x86_64/APKINDEX.tar.gz HTTP/1.1" (OK) 2093570 MISS 357.224052ms

In v0.7.0:

root@cb13d5013cd3:/# apk update
fetch http://apt-proxy:3142/alpine/v3.22/main/x86_64/APKINDEX.tar.gz
WARNING: updating and opening http://apt-proxy:3142/alpine/v3.22/main: remote server returned error (try 'apk update')
fetch http://apt-proxy:3142/alpine/v3.22/community/x86_64/APKINDEX.tar.gz
WARNING: updating and opening http://apt-proxy:3142/alpine/v3.22/community: remote server returned error (try 'apk update')
4 unavailable, 0 stale; 60 distinct packages available

With logs:

apt-proxy  | 2025/11/11 14:33:56 using specified [Alpine] mirror [http://dl-cdn.alpinelinux.org]
apt-proxy  | 2025/11/11 14:33:56 starting apt-proxy
apt-proxy  | 2025/11/11 14:33:56 listening on 0.0.0.0:3142
apt-proxy  | 2025/11/11 14:33:56 server started successfully 🚀
apt-proxy  | 2025/11/11 14:34:22 http: proxy error: unsupported protocol scheme ""
apt-proxy  | 2025/11/11 14:34:22 172.31.1.1 "GET /alpine/v3.22/main/x86_64/APKINDEX.tar.gz HTTP/1.1" (Bad Gateway) 0 SKIP 101.528µs
apt-proxy  | 2025/11/11 14:34:22 http: proxy error: unsupported protocol scheme ""
apt-proxy  | 2025/11/11 14:34:22 172.31.1.1 "GET /alpine/v3.22/community/x86_64/APKINDEX.tar.gz HTTP/1.1" (Bad Gateway) 0 SKIP 74.713µs
apt-proxy  | 2025/11/11 14:34:23 http: proxy error: unsupported protocol scheme ""

Running with this command:

entrypoint: "/usr/bin/apt-proxy -mode alpine --alpine=http://dl-cdn.alpinelinux.org"

I flushed the cache between testing.

[darklouswoo]

Having the same issue with either the binary or docker

[wandersonlima]

same issue with v0.7.0 and v0.8.0