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Posted to notifications@skywalking.apache.org by ke...@apache.org on 2021/09/09 04:51:32 UTC
[skywalking-java] branch main updated: Migrate base Docker image
from JDK to JRE and remove unused classes (#21)
This is an automated email from the ASF dual-hosted git repository.
kezhenxu94 pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/skywalking-java.git
The following commit(s) were added to refs/heads/main by this push:
new 6189208 Migrate base Docker image from JDK to JRE and remove unused classes (#21)
6189208 is described below
commit 61892085f95512df5bd8c7c7b67394b40b9f7a1f
Author: kezhenxu94 <ke...@apache.org>
AuthorDate: Thu Sep 9 12:51:25 2021 +0800
Migrate base Docker image from JDK to JRE and remove unused classes (#21)
---
.github/workflows/publish-docker.yaml | 42 +++++--
Dockerfile | 89 +++++++++++--
Makefile | 35 ++++--
.../skywalking/apm/util/StringFormatGroup.java | 95 --------------
.../skywalking/apm/util/StringFormatGroupTest.java | 138 ---------------------
docs/en/contribution/release-java-agent.md | 16 +++
.../service-agent/java-agent/containerization.md | 17 ++-
7 files changed, 160 insertions(+), 272 deletions(-)
diff --git a/.github/workflows/publish-docker.yaml b/.github/workflows/publish-docker.yaml
index dad3a20..2457683 100644
--- a/.github/workflows/publish-docker.yaml
+++ b/.github/workflows/publish-docker.yaml
@@ -26,8 +26,32 @@ env:
HUB: ghcr.io/apache/skywalking-java
jobs:
- build:
+ build-tar:
if: github.repository == 'apache/skywalking-java'
+ name: Build Agent
+ runs-on: ubuntu-latest
+ timeout-minutes: 30
+ steps:
+ - uses: actions/checkout@v2
+ with:
+ submodules: true
+ - name: Cache local Maven repository
+ uses: actions/cache@v2
+ with:
+ path: ~/.m2/repository
+ key: ${{ runner.os }}-maven-publish-docker-${{ hashFiles('**/pom.xml') }}
+ restore-keys: ${{ runner.os }}-maven-publish-docker-
+ - name: Build Agent
+ run: make build
+ - uses: actions/upload-artifact@v2
+ name: Upload Agent
+ with:
+ name: skywalking-agent
+ path: skywalking-agent
+
+ build-docker:
+ if: github.repository == 'apache/skywalking-java'
+ needs: [ build-tar ]
name: Build and Push Docker
runs-on: ubuntu-latest
permissions:
@@ -36,21 +60,18 @@ jobs:
timeout-minutes: 60
strategy:
matrix:
- java-version: [ 8, 9, 10, 11, 12, 13, 14, 15, 16 ]
+ java-version: [ 8, 11, 12, 13, 14, 15, 16 ]
env:
BASE_IMAGE: adoptopenjdk/openjdk${{ matrix.java-version }}:alpine
- NAME: jdk-${{ matrix.java-version }}
TAG: ${{ github.sha }}
steps:
- uses: actions/checkout@v2
with:
submodules: true
- - name: Cache local Maven repository
- uses: actions/cache@v2
+ - uses: actions/download-artifact@v2
with:
- path: ~/.m2/repository
- key: ${{ runner.os }}-maven-publish-docker-${{ hashFiles('**/pom.xml') }}
- restore-keys: ${{ runner.os }}-maven-publish-docker-
+ name: skywalking-agent
+ path: skywalking-agent
- name: Log in to the Container registry
uses: docker/login-action@v1.10.0
with:
@@ -58,7 +79,4 @@ jobs:
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build docker image
- run: |
- make docker.push || make docker.push
- docker tag $HUB/$NAME:$TAG $HUB/$NAME:latest
- docker push $HUB/$NAME:latest
+ run: make docker.push.java${{ matrix.java-version }} || make docker.push.java${{ matrix.java-version }}
diff --git a/Dockerfile b/Dockerfile
index 08f41bf..bf7a328 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,26 +14,99 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-ARG BASE_IMAGE='adoptopenjdk/openjdk8:alpine'
+ARG BASE_IMAGE='adoptopenjdk/openjdk8:alpine-jre'
-FROM alpine AS cli
+FROM $BASE_IMAGE as cli
-WORKDIR /skywalking/bin
+WORKDIR /skywalking
+
+ARG SKYWALKING_CLI_VERSION=0.7.0
+ENV SKYWALKING_CLI_TGZ=skywalking-cli-$SKYWALKING_CLI_VERSION-bin.tgz
+ENV SKYWALKING_CLI_ASC=${SKYWALKING_CLI_TGZ}.asc
+ENV SKYWALKING_CLI_SHA512=${SKYWALKING_CLI_TGZ}.sha512
+
+ENV SKYWALKING_CLI_TGZ_URLS \
+ https://www.apache.org/dyn/closer.cgi?action=download&filename=skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_TGZ \
+ # if the version is outdated, we might have to pull from the dist/archive :/
+ https://www-us.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_TGZ \
+ https://www.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_TGZ \
+ https://archive.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_TGZ
+
+ENV SKYWALKING_CLI_ASC_URLS \
+ https://www.apache.org/dyn/closer.cgi?action=download&filename=skywalking/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_ASC \
+ # if the version is outdated, we might have to pull from the dist/archive :/
+ https://www-us.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_ASC \
+ https://www.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_ASC \
+ https://archive.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_ASC
-ARG CLI_VERSION=0.6.0
+ENV SKYWALKING_CLI_SHA512_URLS \
+ https://www.apache.org/dyn/closer.cgi?action=download&filename=skywalking/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_SHA512 \
+ # if the version is outdated, we might have to pull from the dist/archive :/
+ https://www-us.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_SHA512 \
+ https://www.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_SHA512 \
+ https://archive.apache.org/dist/skywalking/cli/$SKYWALKING_CLI_VERSION/$SKYWALKING_CLI_SHA512
-ADD https://archive.apache.org/dist/skywalking/cli/${CLI_VERSION}/skywalking-cli-${CLI_VERSION}-bin.tgz /
-RUN tar -zxf /skywalking-cli-${CLI_VERSION}-bin.tgz -C / ; \
- mv /skywalking-cli-${CLI_VERSION}-bin/bin/swctl-${CLI_VERSION}-linux-amd64 /skywalking/bin/swctl
+
+RUN set -eux; \
+ \
+ apk add --no-cache --virtual .fetch-deps \
+ gnupg \
+ ca-certificates \
+ openssl \
+ ; \
+ \
+ wget --timeout=20 -O KEYS https://downloads.apache.org/skywalking/KEYS; \
+ gpg --import KEYS; \
+ \
+ success=; \
+ for url in $SKYWALKING_CLI_TGZ_URLS; do \
+ if wget --timeout=20 -O ${SKYWALKING_CLI_TGZ} "$url"; then \
+ success=1; \
+ break; \
+ fi; \
+ done; \
+ [ -n "$success" ]; \
+ \
+ success=; \
+ for url in $SKYWALKING_CLI_SHA512_URLS; do \
+ if wget --timeout=20 -O ${SKYWALKING_CLI_SHA512} "$url"; then \
+ success=1; \
+ break; \
+ fi; \
+ done; \
+ [ -n "$success" ]; \
+ \
+ sha512sum -c ${SKYWALKING_CLI_SHA512}; \
+ \
+ success=; \
+ for url in $SKYWALKING_CLI_ASC_URLS; do \
+ if wget --timeout=20 -O ${SKYWALKING_CLI_ASC} "$url"; then \
+ success=1; \
+ break; \
+ fi; \
+ done; \
+ [ -n "$success" ]; \
+ \
+ gpg --batch --verify ${SKYWALKING_CLI_ASC} ${SKYWALKING_CLI_TGZ}; \
+ tar -xvf ${SKYWALKING_CLI_TGZ}; \
+ mkdir "bin/"; \
+ mv skywalking-cli-${SKYWALKING_CLI_VERSION}-bin/bin/swctl-${SKYWALKING_CLI_VERSION}-linux-amd64 bin/swctl; \
+ chmod 755 bin/*; \
+ command -v gpgconf && gpgconf --kill all || :; \
+ ls -la .;
FROM $BASE_IMAGE
+ARG DIST=skywalking-agent
+
+RUN apk add --no-cache openssl
+
LABEL maintainer="kezhenxu94@apache.org"
ENV JAVA_TOOL_OPTIONS=-javaagent:/skywalking/agent/skywalking-agent.jar
WORKDIR /skywalking
-ADD skywalking-agent /skywalking/agent
+ADD $DIST /skywalking/agent
COPY --from=cli /skywalking/bin/swctl /usr/bin/swctl
diff --git a/Makefile b/Makefile
index 6a927f6..12b1f7c 100644
--- a/Makefile
+++ b/Makefile
@@ -19,22 +19,11 @@ SHELL := /bin/bash -o pipefail
HUB ?= skywalking
NAME ?= skywalking-java
TAG ?= latest
-AGENT_PACKAGE = skywalking-agent
-
-BASE_IMAGE ?= adoptopenjdk/openjdk8:alpine
-SKIP_TEST ?= false
+AGENT_PACKAGE ?= skywalking-agent
.PHONY: build
build:
- ./mvnw --batch-mode clean package -Dmaven.test.skip=$(SKIP_TEST)
-
-.PHONY: docker
-docker: build
- docker build --no-cache --build-arg BASE_IMAGE=$(BASE_IMAGE) . -t $(HUB)/$(NAME):$(TAG)
-
-.PHONY: docker.push
-docker.push: docker
- docker push $(HUB)/$(NAME):$(TAG)
+ ./mvnw --batch-mode clean package -Dmaven.test.skip=true
.PHONY: dist
dist: build
@@ -42,3 +31,23 @@ dist: build
gpg --armor --detach-sig apache-skywalking-java-agent-$(TAG).tgz
shasum -a 512 apache-skywalking-java-agent-$(TAG).tgz > apache-skywalking-java-agent-$(TAG).tgz.sha512
+# Docker build
+
+JAVA_VERSIONS := 8 11 12 13 14 15 16
+JAVA_VERSION = $(word 1, $@)
+
+.PHONY: $(JAVA_VERSIONS:%=java%)
+$(JAVA_VERSIONS:%=docker.java%): skywalking-agent
+ docker build --no-cache --build-arg BASE_IMAGE=adoptopenjdk/openjdk$(JAVA_VERSION:docker.java%=%):alpine-jre --build-arg DIST=$(AGENT_PACKAGE) . -t $(HUB)/$(NAME):$(TAG)-$(JAVA_VERSION:docker.%=%)
+
+.PHONY: docker
+docker: $(JAVA_VERSIONS:%=docker.java%)
+
+# Docker push
+
+.PHONY: $(JAVA_VERSIONS:%=docker.push.java%)
+$(JAVA_VERSIONS:%=docker.push.java%): $(JAVA_VERSIONS:%=docker.java%)
+ docker push $(HUB)/$(NAME):$(TAG)-$(JAVA_VERSION:docker.push.%=%)
+
+.PHONY: docker.push
+docker.push: $(JAVA_VERSIONS:%=docker.java%)
diff --git a/apm-commons/apm-util/src/main/java/org/apache/skywalking/apm/util/StringFormatGroup.java b/apm-commons/apm-util/src/main/java/org/apache/skywalking/apm/util/StringFormatGroup.java
deleted file mode 100644
index 9f22daf..0000000
--- a/apm-commons/apm-util/src/main/java/org/apache/skywalking/apm/util/StringFormatGroup.java
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package org.apache.skywalking.apm.util;
-
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.List;
-import java.util.regex.Pattern;
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import lombok.ToString;
-
-/**
- * Group patterns use {@link java.util.regex.Pattern} as core, could group the input strings to matched group or return
- * original string.
- */
-@ToString
-public class StringFormatGroup {
- private final List<PatternRule> rules;
-
- public StringFormatGroup() {
- rules = new ArrayList<>();
- }
-
- /**
- * Add a new match rule. The rule will follow the order of being added.
- *
- * @param name will be used when ruleRegex matched.
- * @param ruleRegex to match target string.
- */
- public void addRule(String name, String ruleRegex) {
- for (PatternRule rule : rules) {
- if (rule.name.equals(name)) {
- return;
- }
- }
- PatternRule rule = new PatternRule(name, ruleRegex);
- rules.add(rule);
- }
-
- /**
- * Format the string based on rules.
- *
- * @param string to be formatted
- * @return matched rule name, or original string.
- */
- public FormatResult format(String string) {
- for (PatternRule rule : rules) {
- if (rule.getPattern().matcher(string).matches()) {
- return new FormatResult(true, rule.getName(), string);
- }
- }
- return new FormatResult(false, string, string);
- }
-
- public void sortRules(Comparator<? super PatternRule> comparator) {
- rules.sort(comparator);
- }
-
- @Getter
- @RequiredArgsConstructor
- public static class FormatResult {
- private final boolean match;
- private final String name;
- private final String replacedName;
- }
-
- @Getter
- @ToString
- public static class PatternRule {
- private final String name;
- private final Pattern pattern;
-
- private PatternRule(String name, String ruleRegex) {
- this.name = name;
- pattern = Pattern.compile(ruleRegex);
- }
- }
-}
diff --git a/apm-commons/apm-util/src/test/java/org/apache/skywalking/apm/util/StringFormatGroupTest.java b/apm-commons/apm-util/src/test/java/org/apache/skywalking/apm/util/StringFormatGroupTest.java
deleted file mode 100644
index c573e54..0000000
--- a/apm-commons/apm-util/src/test/java/org/apache/skywalking/apm/util/StringFormatGroupTest.java
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package org.apache.skywalking.apm.util;
-
-import java.util.concurrent.TimeUnit;
-import org.junit.Assert;
-import org.junit.Test;
-import org.openjdk.jmh.annotations.Benchmark;
-import org.openjdk.jmh.annotations.BenchmarkMode;
-import org.openjdk.jmh.annotations.Mode;
-import org.openjdk.jmh.annotations.OutputTimeUnit;
-import org.openjdk.jmh.runner.Runner;
-import org.openjdk.jmh.runner.RunnerException;
-import org.openjdk.jmh.runner.options.Options;
-import org.openjdk.jmh.runner.options.OptionsBuilder;
-
-public class StringFormatGroupTest {
- @Benchmark
- @Test
- public void testMatch() {
- StringFormatGroup group = new StringFormatGroup();
- group.addRule("/name/*/add", "/name/.+/add");
- Assert.assertEquals("/name/*/add", group.format("/name/test/add").getName());
-
- group = new StringFormatGroup();
- group.addRule("/name/*/add/{orderId}", "/name/.+/add/.*");
- Assert.assertEquals("/name/*/add/{orderId}", group.format("/name/test/add/12323").getName());
- }
-
- @Benchmark
- @Test
- public void test100Rule() {
- StringFormatGroup group = new StringFormatGroup();
- group.addRule("/name/*/add/{orderId}", "/name/.+/add/.*");
- for (int i = 0; i < 100; i++) {
- group.addRule("/name/*/add/{orderId}" + "/" + 1, "/name/.+/add/.*" + "/abc");
- }
- Assert.assertEquals("/name/*/add/{orderId}", group.format("/name/test/add/12323").getName());
- }
-
- /**
- * The report below shows this pattern match performance is much about rule numbers. This is a single thread test.
- */
- @BenchmarkMode(Mode.AverageTime)
- @OutputTimeUnit(TimeUnit.MICROSECONDS)
- public void performanceBenchmark() throws RunnerException {
- Options opt = new OptionsBuilder().include(StringFormatGroupTest.class.getSimpleName())
- .forks(1)
- .warmupIterations(0)
- .measurementIterations(5)
- .build();
-
- new Runner(opt).run();
- }
-
- /*********************************
- * # JMH version: 1.21
- * # VM version: JDK 1.8.0_91, Java HotSpot(TM) 64-Bit Server VM, 25.91-b14
- * # VM invoker: /Users/wusheng/Documents/applications/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java
- * # VM options: -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=54841:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8
- * # Warmup: <none>
- * # Measurement: 5 iterations, 10 s each
- * # Timeout: 10 min per iteration
- * # Threads: 1 thread, will synchronize iterations
- * # Benchmark mode: Throughput, ops/time
- * # Benchmark: org.apache.skywalking.apm.util.StringFormatGroupTest.test100Rule
- *
- * # Run progress: 0.00% complete, ETA 00:01:40
- * # Fork: 1 of 1
- * Iteration 1: 32016.496 ops/s
- * Iteration 2: 36703.873 ops/s
- * Iteration 3: 37121.543 ops/s
- * Iteration 4: 36898.225 ops/s
- * Iteration 5: 34712.564 ops/s
- *
- *
- * Result "org.apache.skywalking.apm.util.StringFormatGroupTest.test100Rule":
- * 35490.540 ±(99.9%) 8345.368 ops/s [Average]
- * (min, avg, max) = (32016.496, 35490.540, 37121.543), stdev = 2167.265
- * CI (99.9%): [27145.173, 43835.908] (assumes normal distribution)
- *
- *
- * # JMH version: 1.21
- * # VM version: JDK 1.8.0_91, Java HotSpot(TM) 64-Bit Server VM, 25.91-b14
- * # VM invoker: /Users/wusheng/Documents/applications/jdk1.8.0_91.jdk/Contents/Home/jre/bin/java
- * # VM options: -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=54841:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8
- * # Warmup: <none>
- * # Measurement: 5 iterations, 10 s each
- * # Timeout: 10 min per iteration
- * # Threads: 1 thread, will synchronize iterations
- * # Benchmark mode: Throughput, ops/time
- * # Benchmark: org.apache.skywalking.apm.util.StringFormatGroupTest.testMatch
- *
- * # Run progress: 50.00% complete, ETA 00:00:50
- * # Fork: 1 of 1
- * Iteration 1: 1137158.205 ops/s
- * Iteration 2: 1192936.161 ops/s
- * Iteration 3: 1218773.403 ops/s
- * Iteration 4: 1222966.452 ops/s
- * Iteration 5: 1235609.354 ops/s
- *
- *
- * Result "org.apache.skywalking.apm.util.StringFormatGroupTest.testMatch":
- * 1201488.715 ±(99.9%) 150813.461 ops/s [Average]
- * (min, avg, max) = (1137158.205, 1201488.715, 1235609.354), stdev = 39165.777
- * CI (99.9%): [1050675.254, 1352302.176] (assumes normal distribution)
- *
- *
- * # Run complete. Total time: 00:01:41
- *
- * REMEMBER: The numbers below are just data. To gain reusable insights, you need to follow up on
- * why the numbers are the way they are. Use profilers (see -prof, -lprof), design factorial
- * experiments, perform baseline and negative tests that provide experimental control, make sure
- * the benchmarking environment is safe on JVM/OS/HW level, ask for reviews from the domain experts.
- * Do not assume the numbers tell you what you want them to tell.
- *
- * Benchmark Mode Cnt Score Error Units
- * StringFormatGroupTest.test100Rule thrpt 5 35490.540 ± 8345.368 ops/s
- * StringFormatGroupTest.testMatch thrpt 5 1201488.715 ± 150813.461 ops/s
- *
- */
-}
diff --git a/docs/en/contribution/release-java-agent.md b/docs/en/contribution/release-java-agent.md
index ab3a292..30291b6 100644
--- a/docs/en/contribution/release-java-agent.md
+++ b/docs/en/contribution/release-java-agent.md
@@ -267,6 +267,22 @@ SkyWalking Resources:
- Apache SkyWalking Team
```
+## Release Docker images
+
+```shell
+export SW_VERSION=x.y.z
+git clone --depth 1 --branch v$SW_VERSION https://github.com/apache/skywalking-java.git
+cd skywalking-java
+
+svn co https://dist.apache.org/repos/dist/release/skywalking-java/$SW_VERSION release # (1)
+
+export SW_OUT=release
+export HUB=apache
+export TAG=$SW_VERSION
+export DIST=<the binary package name inside (1), e.g. apache-skywalking-apm-8.8.0.tar.gz>
+make docker.push -j 7
+```
+
## Clean up the old releases
Once the latest release has been published, you should clean up the old releases from the mirror system.
1. Update the download links (source, dist, asc, and sha512) on the website to the archive repo (https://archive.apache.org/dist/skywalking).
diff --git a/docs/en/setup/service-agent/java-agent/containerization.md b/docs/en/setup/service-agent/java-agent/containerization.md
index 28b1394..e7b9c28 100644
--- a/docs/en/setup/service-agent/java-agent/containerization.md
+++ b/docs/en/setup/service-agent/java-agent/containerization.md
@@ -1,6 +1,14 @@
-# Docker
+# Apache SkyWalking Agent Containerized Scenarios
-This section introduces how to build your Java application image on top of this image.
+**Docker images are not official ASF releases but provided for convenience. Recommended usage is always to build the
+source**
+
+This image only hosts the pre-built SkyWalking Java agent jars, and provides some convenient configurations for
+containerized scenarios.
+
+# How to use this image
+
+## Docker
```dockerfile
FROM apache/skywalking-java-agent:8.5.0-jdk8
@@ -11,9 +19,7 @@ FROM apache/skywalking-java-agent:8.5.0-jdk8
You can start your Java application with `CMD` or `ENTRYPOINT`, but you don't need to care about the Java options to
enable SkyWalking agent, it should be adopted automatically.
-# Kubernetes
-
-This section introduces how to use this image as sidecar of Kubernetes service.
+## Kubernetes
In Kubernetes scenarios, you can also use this agent image as a sidecar.
@@ -47,4 +53,3 @@ spec:
- name: JAVA_TOOL_OPTIONS
value: "-javaagent:/skywalking/agent/skywalking-agent.jar"
```
-