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package core
import (
"context"
"path/filepath"
"github.com/docker/docker/client"
"github.com/testcontainers/testcontainers-go/internal"
"github.com/testcontainers/testcontainers-go/internal/config"
)
// NewClient returns a new docker client extracting the docker host from the different alternatives
func NewClient(ctx context.Context, ops ...client.Opt) (*client.Client, error) {
tcConfig := config.Read()
dockerHost := MustExtractDockerHost(ctx)
opts := []client.Opt{client.FromEnv, client.WithAPIVersionNegotiation()}
if dockerHost != "" {
opts = append(opts, client.WithHost(dockerHost))
// for further information, read https://docs.docker.com/engine/security/protect-access/
if tcConfig.TLSVerify == 1 {
cacertPath := filepath.Join(tcConfig.CertPath, "ca.pem")
certPath := filepath.Join(tcConfig.CertPath, "cert.pem")
keyPath := filepath.Join(tcConfig.CertPath, "key.pem")
opts = append(opts, client.WithTLSClientConfig(cacertPath, certPath, keyPath))
}
}
opts = append(opts, client.WithHTTPHeaders(
map[string]string{
"x-tc-pp": ProjectPath(),
"x-tc-sid": SessionID(),
"User-Agent": "tc-go/" + internal.Version,
}),
)
// passed options have priority over the default ones
opts = append(opts, ops...)
cli, err := client.NewClientWithOpts(opts...)
if err != nil {
return nil, err
}
return cli, nil
}
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