59 lines
2.1 KiB
Docker
59 lines
2.1 KiB
Docker
# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This Dockerfile will build an image that is configured
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# to use Fluentd to collect all Docker container log files
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# and then cause them to be ingested using the Google Cloud
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# Logging API. This configuration assumes that the host performning
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# the collection is a VM that has been created with a logging.write
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# scope and that the Logging API has been enabled for the project
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# in the Google Developer Console.
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FROM gcr.io/google-containers/debian-base-amd64:0.1
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COPY Gemfile /Gemfile
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# 1. Install & configure dependencies.
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# 2. Install fluentd via ruby.
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# 3. Remove build dependencies.
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# 4. Cleanup leftover caches & files.
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RUN BUILD_DEPS="make gcc g++ libc-dev ruby-dev" \
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&& clean-install $BUILD_DEPS \
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ca-certificates \
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libjemalloc1 \
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liblz4-1 \
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ruby \
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&& echo 'gem: --no-document' >> /etc/gemrc \
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&& gem install --file Gemfile \
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&& apt-get purge -y --auto-remove \
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-o APT::AutoRemove::RecommendsImportant=false \
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$BUILD_DEPS \
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&& rm -rf /tmp/* \
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/var/lib/apt/lists/* \
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/usr/lib/ruby/gems/*/cache/*.gem \
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/var/log/* \
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/var/tmp/*
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# Copy the Fluentd configuration file for logging Docker container logs.
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COPY fluent.conf /etc/fluent/fluent.conf
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COPY run.sh /run.sh
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# Expose prometheus metrics.
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EXPOSE 80
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ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so.1
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# Start Fluentd to pick up our config that watches Docker container logs.
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CMD /run.sh $FLUENTD_ARGS
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