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https://github.com/jewel-cse/web-service
https://github.com/jewel-cse/web-service
docker jquery jsp
Last synced: 4 days ago
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- Host: GitHub
- URL: https://github.com/jewel-cse/web-service
- Owner: Jewel-cse
- Created: 2024-02-06T10:06:17.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2024-03-07T17:57:09.000Z (9 months ago)
- Last Synced: 2024-11-14T22:08:35.235Z (4 days ago)
- Topics: docker, jquery, jsp
- Language: Java
- Homepage:
- Size: 71.3 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Dockerfile Examples
## Docker commands
* docker --version
* docker container ls
* if not ok go to docker desktop and fixed then...
* Be careful with this command ....version space dot
```
docker build -t jewel/hello-world-docker:v1 .
```
## To check docker image list
```
docker image list
```
## To run that image
```
docker container run -d -p 5000:5000 jewel/hello-world-docker:v1
```
## Dockerfile - 1 - Creating Docker Images
```
FROM openjdk:21-slim
COPY target/*.jar app.jar
EXPOSE 5000
ENTRYPOINT ["java","-jar","/app.jar"]
```
# Image creation Part-2
build the jar file in local is not recommended , we want to build jar in the container and run it
## Dockerfile - 2 - Build Jar File - Multi Stage
```
# Use Maven image with JDK 18 for building
FROM maven:3.8.6-openjdk-18-slim AS build
WORKDIR /home/app
COPY . /home/app
# Use OpenJDK 21-slim for running the application
FROM openjdk:21-slim
EXPOSE 5000
COPY --from=build /home/app/target/*.jar app.jar
ENTRYPOINT ["java", "-jar", "/app.jar"]
```
## Dockerfile - 3 - Caching
If there are any change occur ,then its build from the start.
so we need to cache them and build the specific changes
```
# Use Maven image with JDK 18 for building
FROM maven:3.8.6-openjdk-18-slim AS build
WORKDIR /home/app
COPY ./pom.xml /home/app/pom.xml
COPY ./src/main/java/com/amazingJava/myFirstWebApp/MyFirstWebAppApplication.java /home/app/src/main/java/com/amazingJava/myFirstWebApp/MyFirstWebAppApplication.java
#RUN mvn -f /home/app/pom.xml clean package
COPY . /home/app
#RUN mvn -f /home/app/pom.xml clean package
# Use OpenJDK 21-slim for running the application
FROM openjdk:21-slim
EXPOSE 5000
COPY --from=build /home/app/target/*.jar app.jar
ENTRYPOINT ["java", "-jar", "/app.jar"]
```
## Some spring Boot maven commands
[run an application]
```
mvn spring-boot:run
```
[use it to integration test]
```
mvn spring-boot:start
```
[stop applicatin which is started by start]
```
mvn spring-boot:stop
```
[build a docker image]
```
mvn spring-boot:build-image
```
## ****Build docker image using Spring boot maven plugin****
### This is very efficient and easiest way to build docker image
* delete Dockerfile
* make sure project name : [a-z0-9][-][_]
* Docker desktop running
* then build image using
```
mvn spring-boot:build-image
```
name of image: docker.io/library/project-name:0.0.1-SNAPSHOT
check: docker image list
### run the image container
```
docker container run -d -p 5000:5000 project-name:tag
```
Ex:
docker container run -d -p 5000:5000 my-first-web-app:0.0.1-SNAPSHOT