docker-image-distribution

# LAB2 | Docker Image Distribution

## Build Image

docker build -t [IMAGE-NAME]:[TAG] .  

```
-f, --file: Name of Dockerfile
--no-cache: Don't use cache
-t: Name and Tag docker image `name:tag` format
--label: Set metadata for an image
```

---

cd docker-image/weather-app  
cp Dockerfile Dockerfile.test  

docker build -t kudaliar032/weather-app:path-example1 -f Dockerfile.test .  
docker build -t kudaliar032/weather-app:path-example2 --label maintainer="adityarahman032@gmail.com" -f Dockerfile.test .  

---

docker build -t kudaliar032/weather-app:github https://github.com/linuxacademy/content-weather-app.git#remote-build  

---

mkdir tar-image  
cd tar-image  

git clone https://github.com/linuxacademy/content-weather-app.git  
cd content-weather-app  
git checkout remote-build  

tar -zcvf weather-app.tar.gz Dockerfile src  

docker build -t kudaliar032/weather-app:from-tar - < weather-app.tar.gz  

## Multi-Stage Builds

mkdir multi-stage-build
cd multi-stage-build
git clone https://github.com/linuxacademy/content-weather-app.git src

vim Dockerfile  
```
FROM node:lts AS build
WORKDIR /app
ADD src/ /app
RUN npm install

FROM node:alpine
ENV NODE_ENV="production"
COPY --from=build /app /app
WORKDIR /app
EXPOSE 3000
ENTRYPOINT ["./bin/www"]
```

docker image build -t kudaliar032/weather-app:multi-stage-build .
docker images

docker run -d --name multi-stage-build -p 8000:3000 kudaliar032/weather-app:multi-stage-build

## Docker Tagging

docker build -t [IMAGE-NAME]:[TAG]
docker tag [IMAGE-SRC]:[TAG] [IMAGE-TRGT]:[TAG]

docker tag kudaliar032/weather-app:v5 kudaliar032/weather-app:latest

## Push to Docker Hub

docker image push [USERNAME]/[IMAGE-NAME]:[TAG]