我的目标是从Dockerfile克隆私有存储库。我复制了我的私人SSH密钥，然后将bitbucket.org域添加到known_hosts文件中，但是当我尝试克隆存储库时，由于某种原因，我会收到“权限被拒绝”错误。我可以从主机上克隆此存储库。我想念什么？
Dockerfile：
FROM ubuntu
RUN apt-get update
RUN apt-get install -y git ssh
ARG SSH_PRIVATE_KEY
RUN mkdir /root/.ssh/
RUN echo "${SSH_PRIVATE_KEY}" > /root/.ssh/id_rsa
RUN chmod 600 /root/.ssh/id_rsa
RUN touch /root/.ssh/known_hosts
RUN ssh-keyscan bitbucket.org >> /root/.ssh/known_hosts
RUN git clone [email protected]:foo/bar.git
命令：
docker build --build-arg SSH_PRIVATE_KEY="$(cat ~/.ssh/id_rsa)" .
输出：
Warning: Permanently added the RSA host key for IP address '18.205.93.2' to the list of known hosts.
[email protected]: Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
运行ssh -v [email protected]输出：
OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
Pseudo-terminal will not be allocated because stdin is not a terminal.
debug1: Connecting to bitbucket.org [18.205.93.0] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3
debug1: Remote protocol version 2.0, remote software version conker_b9a79bcd5e-dirty conker-3002
debug1: no match: conker_b9a79bdd5e-dirty conker-3002
debug1: Authenticating to bitbucket.org:22 as 'git'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: [email protected]
debug1: kex: host key algorithm: ssh-rsa
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ssh-rsa SHA256:zzXQOXSRBEiUtuEwbHaxvSc0ojez6sdf6s9YXaGp1A
debug1: Host 'bitbucket.org' is known and matches the RSA host key.
debug1: Found key in /root/.ssh/known_hosts:1
Warning: Permanently added the RSA host key for IP address '18.205.93.0' to the list of known hosts.
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /root/.ssh/id_rsa
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: Trying private key: /root/.ssh/id_dsa
debug1: Trying private key: /root/.ssh/id_ecdsa
debug1: Trying private key: /root/.ssh/id_ed25519
debug1: No more authentication methods to try.
[email protected]: Permission denied (publickey).
您需要确保正确填充了id_rsa：
docker build --build-arg SSH_PRIVATE_KEY="$(cat ~/.ssh/id_rsa)" .
编辑此功能仅适用于无密码的密钥，否则情况会变得复杂。
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