AnandInguva commented on a change in pull request #16938:
URL: https://github.com/apache/beam/pull/16938#discussion_r821074354
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File path: website/www/site/content/en/documentation/runtime/environments.md
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@@ -171,6 +171,49 @@ creates a Java 8 SDK image with appropriate licenses in
`/opt/apache/beam/third_
By default, no licenses/notices are added to the docker images.
+#### Build an existing container image to make it compatible with Apache Beam
Runners {#modify-existing-base-image}
+Beam offers a way to take a Beam container image and customize it. But if you
have an existing base image to be compatible with Apache Beam Runners, use a
[multi-stage
build](https://docs.docker.com/develop/develop-images/multistage-build/)
process to copy over the necessary artifacts from a default Apache Beam base
image and provide your custom container image.
+
+
+1. Copy necessary artifacts from Apache Beam base image to your image.
+ ```
+ # This can be any container image,
+ FROM python:3.8-slim
+
+ # Install SDK. (needed for Python SDK)
+ RUN pip install --no-cache-dir apache-beam[gcp]==2.25.0
Review comment:
Okay. If I use ARG and in the docker container, I tried 'import
apache_beam'. I got this error.
```
>>> import apache_beam
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.6/dist-packages/apache_beam/__init__.py",
line 93, in <module>
from apache_beam import io
File "/usr/local/lib/python3.6/dist-packages/apache_beam/io/__init__.py",
line 21, in <module>
from apache_beam.io.avroio import *
File "/usr/local/lib/python3.6/dist-packages/apache_beam/io/avroio.py",
line 53, in <module>
from apache_beam.io import filebasedsink
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/io/filebasedsink.py", line
29, in <module>
from apache_beam.io import iobase
File "/usr/local/lib/python3.6/dist-packages/apache_beam/io/iobase.py",
line 54, in <module>
from apache_beam.transforms import Impulse
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/transforms/__init__.py",
line 24, in <module>
from apache_beam.transforms.external import *
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/transforms/external.py",
line 44, in <module>
from apache_beam.runners import pipeline_context
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/runners/__init__.py", line
29, in <module>
from apache_beam.runners.dataflow.dataflow_runner import DataflowRunner
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/runners/dataflow/__init__.py",
line 24, in <module>
from apache_beam.runners.dataflow.dataflow_runner import DataflowRunner
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/runners/dataflow/dataflow_runner.py",
line 43, in <module>
from apache_beam.internal.gcp import json_value
File
"/usr/local/lib/python3.6/dist-packages/apache_beam/internal/gcp/json_value.py",
line 27, in <module>
from apitools.base.py import extra_types
File
"/usr/local/lib/python3.6/dist-packages/apitools/base/py/__init__.py", line 21,
in <module>
from apitools.base.py.base_api import *
File
"/usr/local/lib/python3.6/dist-packages/apitools/base/py/base_api.py", line 35,
in <module>
from apitools.base.py import http_wrapper
File
"/usr/local/lib/python3.6/dist-packages/apitools/base/py/http_wrapper.py", line
29, in <module>
import httplib2
File "/usr/local/lib/python3.6/dist-packages/httplib2/__init__.py", line
52, in <module>
from . import auth
File "/usr/local/lib/python3.6/dist-packages/httplib2/auth.py", line 20,
in <module>
auth_param_name =
token.copy().setName("auth-param-name").addParseAction(pp.downcaseTokens)
AttributeError: module 'pyparsing' has no attribute 'downcaseTokens'
```
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