Bank application-Springboot Jenkins#12
Bank application-Springboot Jenkins#12sushmithavs wants to merge 8 commits intoLondheShubham153:DevOpsfrom
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Actionable comments posted: 12
🧹 Outside diff range and nitpick comments (6)
Dockerfile (2)
6-6: Consider updating Maven version while maintaining version pinningThe Maven version (3.8.3) is slightly dated. While version pinning is a good practice for reproducibility, consider updating to a newer version (current latest is 3.9.6) for security patches and improvements.
-FROM maven:3.8.3-openjdk-17 AS builder +FROM maven:3.9.6-openjdk-17 AS builderAlso applies to: 9-9
31-31: Enhance container configuration with health checks and JVM tuningThe current configuration lacks important operational features for container orchestration and performance optimization.
Add the following improvements:
+# Add memory constraints and GC configuration +ENV JAVA_OPTS="-Xmx512m -Xms256m -XX:+UseG1GC" +# Add health check +HEALTHCHECK --interval=30s --timeout=3s \ + CMD wget -q --spider http://localhost:8080/actuator/health || exit 1 -ENTRYPOINT ["java", "-jar", "/app/target/bankapp.jar"] +ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar /app/target/bankapp.jar"]Note: Ensure the Spring Boot Actuator dependency is included in your
pom.xmlfor the health check to work.README.md (2)
272-272: Consider enhancing author informationAdd more professional contact information for better reachability.
-👨💻 Author: Sushmitha +## 👨💻 Author + +**Sushmitha** +- GitHub: [@sushmithavs](https://github.com/sushmithavs) +- LinkedIn: [Add your LinkedIn profile]
1-272: Fix markdown formatting issuesPlease address the following markdown formatting issues to improve documentation readability:
- Consistent heading levels (avoid skipping levels)
- Consistent unordered list style (use asterisks)
- Proper code block language specification
- Remove trailing punctuation in headings
🧰 Tools
🪛 Markdownlint (0.35.0)
137-137: Expected: h4; Actual: h5
Heading levels should only increment by one level at a time(MD001, heading-increment)
11-11: Expected: atx; Actual: setext
Heading style(MD003, heading-style)
20-20: Expected: atx; Actual: setext
Heading style(MD003, heading-style)
29-29: Expected: atx; Actual: setext
Heading style(MD003, heading-style)
150-150: Expected: asterisk; Actual: plus
Unordered list style(MD004, ul-style)
150-150: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
151-151: Expected: asterisk; Actual: plus
Unordered list style(MD004, ul-style)
151-151: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
152-152: Expected: asterisk; Actual: plus
Unordered list style(MD004, ul-style)
152-152: Expected: asterisk; Actual: dash
Unordered list style(MD004, ul-style)
150-150: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
151-151: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
152-152: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
186-186: Expected: 0; Actual: 2
Unordered list indentation(MD007, ul-indent)
137-137: Punctuation: '.'
Trailing punctuation in heading(MD026, no-trailing-punctuation)
24-24: null
Spaces inside emphasis markers(MD037, no-space-in-emphasis)
26-26: null
Spaces inside emphasis markers(MD037, no-space-in-emphasis)
221-221: null
Fenced code blocks should have a language specified(MD040, fenced-code-language)
Jenkinsfile (2)
2-4: Consider renaming the agent label to avoid deprecated terminologyIt's recommended to avoid using terms like 'slave' in Jenkins configurations due to their negative connotations. Consider using 'agent' or another appropriate term instead.
9-9: Use variable for repository URL to enhance maintainabilityHardcoding the repository URL makes future updates cumbersome. Consider defining the repository URL as a variable at the top of the pipeline for easier maintenance.
Apply this change:
environment { REPO_URL = "https://github.com/sushmithavs/Springboot-BankApp.git" }Then update the
gitcommand:git url: REPO_URL, branch: "DevOps"
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⛔ Files ignored due to path filters (6)
images/Docker-hub.pngis excluded by!**/*.pngimages/Jenkins-Logs.pngis excluded by!**/*.pngimages/Jenkins-Pipeline.pngis excluded by!**/*.pngimages/Jenkinsbank1.pngis excluded by!**/*.pngimages/jenkinsbank3.pngis excluded by!**/*.pngimages/pipeline.pngis excluded by!**/*.png
📒 Files selected for processing (3)
Dockerfile(2 hunks)Jenkinsfile(1 hunks)README.md(1 hunks)
🧰 Additional context used
🪛 Markdownlint (0.35.0)
README.md
137-137: Expected: h4; Actual: h5
Heading levels should only increment by one level at a time
(MD001, heading-increment)
11-11: Expected: atx; Actual: setext
Heading style
(MD003, heading-style)
20-20: Expected: atx; Actual: setext
Heading style
(MD003, heading-style)
29-29: Expected: atx; Actual: setext
Heading style
(MD003, heading-style)
150-150: Expected: asterisk; Actual: plus
Unordered list style
(MD004, ul-style)
150-150: Expected: asterisk; Actual: dash
Unordered list style
(MD004, ul-style)
151-151: Expected: asterisk; Actual: plus
Unordered list style
(MD004, ul-style)
151-151: Expected: asterisk; Actual: dash
Unordered list style
(MD004, ul-style)
152-152: Expected: asterisk; Actual: plus
Unordered list style
(MD004, ul-style)
152-152: Expected: asterisk; Actual: dash
Unordered list style
(MD004, ul-style)
150-150: Expected: 2; Actual: 4
Unordered list indentation
(MD007, ul-indent)
151-151: Expected: 2; Actual: 4
Unordered list indentation
(MD007, ul-indent)
152-152: Expected: 2; Actual: 4
Unordered list indentation
(MD007, ul-indent)
186-186: Expected: 0; Actual: 2
Unordered list indentation
(MD007, ul-indent)
137-137: Punctuation: '.'
Trailing punctuation in heading
(MD026, no-trailing-punctuation)
24-24: null
Spaces inside emphasis markers
(MD037, no-space-in-emphasis)
26-26: null
Spaces inside emphasis markers
(MD037, no-space-in-emphasis)
221-221: null
Fenced code blocks should have a language specified
(MD040, fenced-code-language)
🔇 Additional comments (3)
Dockerfile (1)
9-9: Verify working directory changes in CI/CD
The working directory change from /src to /app needs verification in the CI/CD context.
Also applies to: 12-12, 25-25, 31-31
✅ Verification successful
Working directory change from /src to /app is safe to proceed
The change in working directory from /src to /app in the Dockerfile has no impact on CI/CD or deployment configurations. After reviewing:
- The Kubernetes deployment configurations don't reference container working directories
- Docker Compose configuration doesn't specify working directories
- Jenkins pipeline scripts (buildImage.groovy and deploy.groovy) use standard Docker commands without path dependencies
- No hardcoded references to
/srcwere found in any of the configuration files
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for any hardcoded references to the old /src path
rg -l "/src" --type yaml --type groovy
# Check for Docker-related files in CI/CD
fd -e yaml -e yml -e groovy | xargs grep -l "Dockerfile"
Length of output: 95
Script:
#!/bin/bash
# Let's try a broader search for CI/CD configuration files and Docker references
fd -e yaml -e yml -e groovy
# Search for any references to /src in all files
rg "/src" --type-not binary
# Look for other Docker-related files
fd -g "*[dD]ocker*"
# Check for deployment or pipeline configurations
fd -g "*pipeline*" -g "*deploy*" -g "*k8s*" -g "*kube*"
Length of output: 751
Script:
#!/bin/bash
# Let's check the content of k8s deployment files and docker-compose for workdir references
cat k8s/deployment.yml
cat docker-compose.yml
# Check the Jenkins pipeline scripts for Docker build steps
cat vars/buildImage.groovy
cat vars/deploy.groovy
Length of output: 4475
README.md (1)
7-7: Verify the existence and accuracy of referenced image
Please ensure that the referenced image file exists at the specified path: images/login.png
✅ Verification successful
Referenced image file exists and is accessible
The image file images/login.png exists in the repository at the specified path, confirming that the architecture diagram reference in the README.md is valid.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check if the referenced image exists
if [ -f "images/login.png" ]; then
echo "Image exists"
else
echo "Image not found"
fi
Length of output: 64
Jenkinsfile (1)
60-60: Verify that Docker Compose is available on the agent
Ensure that docker compose is available on the agent node. Some environments may require docker-compose instead.
Run the following script to check the availability of Docker Compose:
|
|
||
| # Copy source code from local to container | ||
| COPY . /src | ||
| COPY . /app |
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🛠️ Refactor suggestion
Implement .dockerignore for better build context
The current COPY command includes all files in the build context. This could include unnecessary files like logs, IDE configurations, or sensitive information.
Create a .dockerignore file with the following contents:
.git
.gitignore
target/
.settings/
.project
.classpath
.idea/
*.iml
*.log
README.md
|
|
||
| # Import small size java image | ||
| FROM openjdk:17-alpine as deployer | ||
| FROM openjdk:17-alpine AS deployer |
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🛠️ Refactor suggestion
Enhance security with non-root user
The application currently runs as root, which is a security risk. Consider creating and using a non-root user.
FROM openjdk:17-alpine AS deployer
+RUN addgroup -S spring && adduser -S spring -G spring
+USER spring:spring
COPY --from=builder /app/target/*.jar /app/target/bankapp.jarAlso, consider using a more deterministic JAR file name in the builder stage:
-RUN mvn clean install -DskipTests=true
+RUN mvn clean install -DskipTests=true && \
+ mv target/*.jar target/bankapp.jarAlso applies to: 25-25
| 1. Launch an EC2 instance (Ubuntu 20.04 or later) and connect to it using SSH. | ||
| 2. Install Docker on the instance: `sudo apt update && sudo apt install docker.io` | ||
| 3. Start the Docker service: `sudo systemctl start docker` | ||
| 4. Enable the Docker service to start at boot: `sudo systemctl enable docker` |
There was a problem hiding this comment.
Add Docker post-installation security steps
Include security best practices for Docker installation.
1. Launch an EC2 instance (Ubuntu 20.04 or later) and connect to it using SSH.
2. Install Docker on the instance: `sudo apt update && sudo apt install docker.io`
3. Start the Docker service: `sudo systemctl start docker`
4. Enable the Docker service to start at boot: `sudo systemctl enable docker`
+5. Create docker group and add user: `sudo groupadd docker && sudo usermod -aG docker $USER`
+6. Set up Docker daemon configuration:
+ ```bash
+ sudo tee /etc/docker/daemon.json <<EOF
+ {
+ "log-driver": "json-file",
+ "log-opts": {
+ "max-size": "10m",
+ "max-file": "3"
+ }
+ }
+ EOF
+ ```| Ensure you have the following: | ||
| *AWS Account** with EC2 instances (Ubuntu 20.04 or later) | ||
| *Ubuntu EC2 Instance** (Recommended: `t2.medium`) | ||
| *Docker** installed on the EC2 instances | ||
| *Basic knowledge** of Docker, Jenkins, and AWS |
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🛠️ Refactor suggestion
Enhance prerequisites section with specific requirements
- Fix formatting issues in emphasis markers (remove spaces)
- Add specific version requirements:
Ensure you have the following:
-*AWS Account** with EC2 instances (Ubuntu 20.04 or later)
-*Ubuntu EC2 Instance** (Recommended: `t2.medium`)
-*Docker** installed on the EC2 instances
-*Basic knowledge** of Docker, Jenkins, and AWS
+**AWS Account** with EC2 instances (Ubuntu 20.04 or later)
+**Ubuntu EC2 Instance** (t2.medium or larger, minimum 4GB RAM recommended)
+**Docker** (version 20.10 or later)
+**Basic knowledge** of Docker, Jenkins, and AWS📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| Ensure you have the following: | |
| *AWS Account** with EC2 instances (Ubuntu 20.04 or later) | |
| *Ubuntu EC2 Instance** (Recommended: `t2.medium`) | |
| *Docker** installed on the EC2 instances | |
| *Basic knowledge** of Docker, Jenkins, and AWS | |
| Ensure you have the following: | |
| **AWS Account** with EC2 instances (Ubuntu 20.04 or later) | |
| **Ubuntu EC2 Instance** (t2.medium or larger, minimum 4GB RAM recommended) | |
| **Docker** (version 20.10 or later) | |
| **Basic knowledge** of Docker, Jenkins, and AWS |
🧰 Tools
🪛 Markdownlint (0.35.0)
24-24: null
Spaces inside emphasis markers
(MD037, no-space-in-emphasis)
26-26: null
Spaces inside emphasis markers
(MD037, no-space-in-emphasis)
| 4. Configure Jenkins to use the Docker daemon: `sudo tee /etc/jenkins/jenkins.yaml <<EOF` | ||
| ```yaml | ||
| jenkins: | ||
| agent: | ||
| docker: | ||
| enabled: true | ||
| ``` |
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Enhance Jenkins configuration with security best practices
The Jenkins configuration YAML is incomplete and missing important security settings.
jenkins:
agent:
docker:
enabled: true
+ # Add security configurations
+ remoteFs: "/home/jenkins"
+ user: "jenkins"
+ # Restrict Docker commands that can be executed
+ allowedImages:
+ - "docker.io/*"📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| 4. Configure Jenkins to use the Docker daemon: `sudo tee /etc/jenkins/jenkins.yaml <<EOF` | |
| ```yaml | |
| jenkins: | |
| agent: | |
| docker: | |
| enabled: true | |
| ``` | |
| 4. Configure Jenkins to use the Docker daemon: `sudo tee /etc/jenkins/jenkins.yaml <<EOF` | |
| ```yaml | |
| jenkins: | |
| agent: | |
| docker: | |
| enabled: true | |
| # Add security configurations | |
| remoteFs: "/home/jenkins" | |
| user: "jenkins" | |
| # Restrict Docker commands that can be executed | |
| allowedImages: | |
| - "docker.io/*" | |
| ``` |
| sh ''' | ||
| echo $dockerHubPass | docker login - u $dockerHubUser --password | ||
| - stdin | ||
| VERSION = $(git rev - parse -- short HEAD) docker image tag bankapp: latest $ { | ||
| dockerHubUser | ||
| }/bankapp:${VERSION} | ||
| docker image tag bankapp:latest ${dockerHubUser}/bankapp: latest | ||
| docker push $ { | ||
| dockerHubUser | ||
| }/bankapp:${VERSION} | ||
| docker push ${dockerHubUser}/bankapp: latest | ||
| docker rmi $ { | ||
| dockerHubUser | ||
| }/bankapp:${VERSION} | ||
| docker rmi ${dockerHubUser}/bankapp: latest | ||
| ''' |
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Fix syntax errors in shell script for pushing Docker image
The shell script in the 'Push To DockerHub' stage contains syntax errors and incorrect variable usage:
- Incorrect spacing in variable references, e.g.,
$ { dockerHubUser }should be${dockerHubUser}. - Misplaced line breaks and indentation make the script invalid.
- The
docker logincommand is improperly formatted. - The
VERSIONvariable assignment is incorrect.
Apply the following corrected shell script:
sh '''
echo $dockerHubPass | docker login -u $dockerHubUser --password-stdin
VERSION=$(git rev-parse --short HEAD)
docker image tag bankapp:latest ${dockerHubUser}/bankapp:${VERSION}
docker image tag bankapp:latest ${dockerHubUser}/bankapp:latest
docker push ${dockerHubUser}/bankapp:${VERSION}
docker push ${dockerHubUser}/bankapp:latest
docker rmi ${dockerHubUser}/bankapp:${VERSION}
docker rmi ${dockerHubUser}/bankapp:latest
'''| sh ''' | ||
| max_attempts = 30 | ||
| attempt = 1 | ||
| echo "Waiting for application to be ready..." | ||
| while [$attempt - le $max_attempts]; do if curl - s http: //localhost:8080/health; then | ||
| echo "Application is ready!" | ||
| exit 0 | ||
| fi | ||
| attempt = $((attempt+1)) | ||
| sleep 10 | ||
| done | ||
| echo "Application failed to start within timeout" | ||
| exit 1 | ||
| ''' |
There was a problem hiding this comment.
Fix syntax errors in deployment health check shell script
The shell script intended to check the application's readiness has multiple syntax issues:
- Variable assignments should not have spaces around
=. - Loop and conditional syntax are incorrect.
- The
curlcommand is improperly formatted. - Comparison operators and syntax need correction.
Apply the corrected shell script:
sh '''
max_attempts=30
attempt=1
echo "Waiting for application to be ready..."
while [ $attempt -le $max_attempts ]; do
if curl -s http://localhost:8080/health; then
echo "Application is ready!"
exit 0
fi
attempt=$((attempt+1))
sleep 10
done
echo "Application failed to start within timeout"
exit 1
'''This corrects variable assignments, loop constructs, and command syntax.
| echo "Starting Code Clone Stage" | ||
| git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps" |
There was a problem hiding this comment.
Remove redundant code cloning in 'Code Build & Test' stage
The repository is already cloned during the 'Code Clone' stage. Cloning it again in this stage is redundant and may cause confusion. Consider removing the git command from this stage.
Apply this change:
- echo "Starting Code Clone Stage"
- git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps"
+ echo "Starting Build and Test Stage"📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| echo "Starting Code Clone Stage" | |
| git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps" | |
| echo "Starting Build and Test Stage" |
| } catch (Exception e) { | ||
| error "Failed to push Docker image: ${e.message}" | ||
| } |
There was a problem hiding this comment.
Correct the placement and syntax of the error handling block
The catch block is misaligned and outside the appropriate scope. Exception handling should be enclosed within the script block, matching the corresponding try block.
Apply these changes:
- } catch (Exception e) {
- error "Failed to push Docker image: ${e.message}"
- }
+ } catch (Exception e) {
+ error "Failed to push Docker image: ${e.message}"
+ }Ensure that the catch block is properly indented and placed within the script block.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| } catch (Exception e) { | |
| error "Failed to push Docker image: ${e.message}" | |
| } | |
| } catch (Exception e) { | |
| error "Failed to push Docker image: ${e.message}" | |
| } |
| echo "Starting Code Clone Stage" | ||
| git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps" | ||
| echo "Starting Build and Test" | ||
| sh 'mvn clean package' | ||
| sh 'mvn test' | ||
| sh 'docker build -t bankapp:latest | ||
| } catch (Exception e) { | ||
| error "Failed to clone repository: ${e.message}" | ||
| } |
There was a problem hiding this comment.
Fix errors in 'Code Build & Test' stage script
Several issues are present in this script block:
- The
echomessage incorrectly states "Starting Code Clone Stage" within the 'Code Build & Test' stage. - The
shcommand fordocker buildis incomplete, missing closing quote and context. - The
catchblock error message only references cloning failure but should cover build and test failures.
Apply these changes:
script {
try {
- echo "Starting Code Clone Stage"
+ echo "Starting Build and Test Stage"
- git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps"
echo "Starting Build and Test"
sh 'mvn clean package'
sh 'mvn test'
- sh 'docker build -t bankapp:latest
+ sh 'docker build -t bankapp:latest .'
} catch (Exception e) {
- error "Failed to clone repository: ${e.message}"
+ error "Build and Test failed: ${e.message}"
}
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| echo "Starting Code Clone Stage" | |
| git url: "https://github.com/sushmithavs/Springboot-BankApp.git", branch: "DevOps" | |
| echo "Starting Build and Test" | |
| sh 'mvn clean package' | |
| sh 'mvn test' | |
| sh 'docker build -t bankapp:latest | |
| } catch (Exception e) { | |
| error "Failed to clone repository: ${e.message}" | |
| } | |
| echo "Starting Build and Test Stage" | |
| echo "Starting Build and Test" | |
| sh 'mvn clean package' | |
| sh 'mvn test' | |
| sh 'docker build -t bankapp:latest .' | |
| } catch (Exception e) { | |
| error "Build and Test failed: ${e.message}" | |
| } |
1 participant
Have executed and modified the Docker file,Jenkins and README.md
Summary by CodeRabbit
New Features
Bug Fixes
Documentation
Refactor