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Fix compatibility with older Docker Engines by falling back to v1.32 #11346

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Merged
eddumelendez merged 2 commits into from
Dec 11, 2025
Merged

Fix compatibility with older Docker Engines by falling back to v1.32 #11346

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0ad0614
Fix compatibility with older Docker Engines by falling back to v1.32
eddumelendez Dec 11, 2025
22380c9
Merge branch 'main' into gh-11232
eddumelendez Dec 11, 2025
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33 changes: 23 additions & 10 deletions core/src/main/java/org/testcontainers/dockerclient/DockerClientProviderStrategy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -401,21 +401,34 @@ public static DockerClient getClientForConfig(TransportConfig transportConfig) {
throw new IllegalArgumentException("Unknown transport type '" + transportType + "'");
}

DefaultDockerClientConfig.Builder configBuilder = DefaultDockerClientConfig.createDefaultConfigBuilder();
DefaultDockerClientConfig.Builder configBuilder = DefaultDockerClientConfig
.createDefaultConfigBuilder()
.withDockerHost(transportConfig.getDockerHost().toString());

if (configBuilder.build().getApiVersion() == RemoteApiVersion.UNKNOWN_VERSION) {
configBuilder.withApiVersion(RemoteApiVersion.VERSION_1_44);
}
Map<String, String> headers = new HashMap<>();
headers.put("x-tc-sid", DockerClientFactory.SESSION_ID);
headers.put("User-Agent", String.format("tc-java/%s", DockerClientFactory.TESTCONTAINERS_VERSION));

return DockerClientImpl.getInstance(
new AuthDelegatingDockerClientConfig(
configBuilder.withDockerHost(transportConfig.getDockerHost().toString()).build()
),
new HeadersAddingDockerHttpClient(dockerHttpClient, headers)
);
try {
if (configBuilder.build().getApiVersion() == RemoteApiVersion.UNKNOWN_VERSION) {
configBuilder.withApiVersion(RemoteApiVersion.VERSION_1_44);
}
DockerClient client = DockerClientImpl.getInstance(
new AuthDelegatingDockerClientConfig(configBuilder.build()),
new HeadersAddingDockerHttpClient(dockerHttpClient, headers)
);
log.debug("Pinging Docker API version 1.44.");
client.pingCmd().exec();
return client;
} catch (Exception ex) {
log.debug("Fallback to Docker API version 1.32.");
return DockerClientImpl.getInstance(
new AuthDelegatingDockerClientConfig(
configBuilder.withApiVersion(RemoteApiVersion.VERSION_1_32).build()
),
new HeadersAddingDockerHttpClient(dockerHttpClient, headers)
);
}
}

public synchronized String getDockerHostIpAddress() {
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