docker COPY from build

Author: asim3

data/docker/build/index.md

@@ -1,22 +1,30 @@
 [docker-cheat-sheet](https://github.com/wsargent/docker-cheat-sheet#dockerfile)
 
 
-## Dockerfile
+## alpine
 `nano Dockerfile`
 ```dockerfile
-FROM nginx:mainline-alpine3.17-slim
+FROM nginx:stable-alpine3.17-slim
+
+RUN apk add bash
+
+RUN adduser -S -s /bin/bash -u 1000 -D d_user
+
+ENV MY_ENV="asim"
 
-COPY src /usr/share/nginx/html
+COPY --chown=d_user --chmod=550  . /d_new_dir
 ```
 
 
-## alpine
+## nginx
 ```dockerfile
-FROM nginx:stable-alpine3.17-slim
+FROM nginx:mainline-alpine3.17-slim
 
 RUN apk add bash
 
-COPY . /usr/share/nginx/html
+RUN adduser -S -s /bin/bash -u 1000 -D d_user
+
+COPY --chown=d_user --chmod=550  ./src /usr/share/nginx/html
 ```
 
 
@@ -28,9 +36,13 @@ Debian 10: `buster`
 ```dockerfile
 FROM python:3.11-alpine3.18
 
+RUN apk add bash
+
+RUN adduser -S -s /bin/bash -u 1000 -D d_user
+
 RUN pip install django gunicorn
 
-COPY . /my_app
+COPY --chown=d_user --chmod=550  .  /my_app
 
 WORKDIR /my_app
 
@@ -44,7 +56,7 @@ CMD [ "/my_app/manage.py" ]
 ```dockerfile
 FROM python:3.11-slim-bullseye
 
-RUN apt-get update && apt-get install -y gcc python3-dev libpq-dev
+RUN apt-get -y update && apt-get -y install gcc python3-dev libpq-dev
 
 RUN adduser --system --shell /bin/bash --uid 1000 --group --disabled-password --disabled-login d_user
 
@@ -72,128 +84,35 @@ CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"]
 ```
 
 
-<!-- ======================================================================================== -->
-```dockerfile
-FROM debian:latest
-
-LABEL multi.label1="value1" multi.label2="value2" other="value3"
-
-ENV MY_ENV="asim"
-
-COPY ./deployer.deb /
-COPY ./tests/ /tests/
-
-
-RUN apt-get -y update \
-    && apt-get -y install git dpkg curl sudo python3-venv lsb-release \
-    && git clone --depth 1 https://github.com/sstephenson/bats.git \
-    && /bats/install.sh /usr/local \
-    && dpkg --install /deployer.deb
-
-
-RUN groupadd -r myuser \
-    && useradd --no-log-init -r -g myuser -G sudo myuser \
-    && echo "myuser ALL=(ALL:ALL) NOPASSWD: ALL" > /etc/sudoers.d/myuser
-USER myuser
-
-USER 1000
-
-WORKDIR /path/to/workdir
-
-ENTRYPOINT [ "/bin/sh", "-c" ]
-CMD [ "bats -t /tests " ]
-```
-
-
-## making php Dockerfile
-`nano ~/my_docker_file/Dockerfile`
+## COPY from build
 ```dockerfile
-FROM busybox:latest
-FROM alpine:latest
-
-FROM php:latest
-FROM python:latest
-FROM httpd:latest
-
-FROM debian:latest
-FROM ubuntu:latest
+FROM ubuntu:22.04 AS build
 
+RUN curl -L https://...
 
-EXPOSE 80
-ENV MY_ENV="asim"
-
-COPY ./my-php/ /var/www/html
-COPY ./my-bash.sh /
+RUN echo "9f99  file.tar.gz" | shasum -a 256 -c
 
-RUN chmod +x /my-bash.sh
-RUN /my-bash.sh
-
-# RUN >>> runs on build only.
-# CMD >>> only one CMD can be run after every startup.
-```
+RUN tar xzf ./file.tar.gz  --directory /home/d_dir
 
 
-## making shell file
-`nano ~/my_docker_file/my-bash.sh`     
-```bash
-echo "<br> RUN: $(date '+%x %X') - by $(whoami) - env: $(echo $MY_ENV)" >> /var/www/html/index.php
-```
-
+FROM python:3.11-alpine3.18
 
-## making php file
-`mkdir -p ~/my_docker_file/my-php/`     
-`nano     ~/my_docker_file/my-php/index.php`
-```html
-<?php echo 'from index.php <br>'; ?>
-<p>you will see this if you don't use volumes.</p>
-<p>volumes will override this file.</p>
+COPY --from=build --chown=d_user --chmod=500  /home/d_dir /home/d_python
 ```
 
 
-## Build docker image
+## build - push
 ```bash
 docker image build -t asim3/my_image:latest .
 
 
-sudo docker image build -t asim3/my_php_test:latest ~/my_docker_file/
-
-sudo docker image build \
+docker image build \
   -t asim3/my_php_test:mytag \
   -t asim3/my_php_test:1.0 \
   -t asim3/my_php_test:latest \
-  ~/my_docker_file/
-
-# OR
+  ./my_docker_file/
 
-docker image build -t asim3/my_new_image:mytag .
 
+docker login
 docker push asim3/my_new_image:mytag
 ```
-
-
-## run
-```bash
-sudo docker container run -d -p 80:80   asim3/my_php_test:mytag
-
-# with volumes
-sudo docker container run -d -p 80:80 \
-  -v ~/my_docker_file/my-php/:/var/www/html/   asim3/my_php_test:mytag
-```
-
-
-## Push Image
-Push Image to Docker Hub
-> the image name must start with "docker hub username"
-```bash
-sudo docker login
-
-sudo docker push asim3/my_php_test:mytag
-```
-
-
-## Build then Push
-```bash
-docker image build -t asim3/my_new_image:latest .
-
-docker push asim3/my_new_image:latest
-```