Building game of life container

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Building game of life container
-----------------------------------------
    Manual Steps:
        install java8 (openjdk8)
        install tomcat 7
        tomcat directory/webapps/
        (re)start tocmat
        works on port 8080

Game-of-life war file has been uploaded into S3 bucket:
========================================
Game-of-life

 How to pull tomcat from git:(Now here we r downloading tomcat8)
--------------------------------------

ubuntu@ip-172-31-2-125:~$ docker image pull tomcat:8
8: Pulling from library/tomcat
ab1fc7e4bf91: Pull complete
35fba333ff52: Pull complete
f0cb1fa13079: Pull complete
3d79c18d1bc0: Pull complete
ff1d0ae4641b: Pull complete
8883e662573f: Pull complete
adab760d76bd: Pull complete
86323b680e93: Pull complete
14a2c1cdce1c: Pull complete
ee59bf8c5470: Pull complete
067f988306af: Pull complete
Digest: sha256:296b26baeee450a9814b2733e9d085f3d26af1c48e5fdc2000496ff7e12bc897
Status: Downloaded newer image for tomcat:8



To cretae container:
===============
i => interactive mode
t => terminal


ubuntu@ip-172-31-2-125:~$ docker container run -ti tomcat:8 /bin/bash
root@aa326d9f8eb0:/usr/local/tomcat#


=> Then goto "webapps" folder and copy .war file:


root@aa326d9f8eb0:/usr/local/tomcat# ls
BUILDING.txt     LICENSE  README.md      RUNNING.txt  conf     lib   native-jni-lib  webapps
CONTRIBUTING.md  NOTICE   RELEASE-NOTES  bin          include  logs  temp            work
root@aa326d9f8eb0:/usr/local/tomcat# cd webapps/
root@aa326d9f8eb0:/usr/local/tomcat/webapps# ls -ltr
total 20
drwxr-xr-x  5 root root 4096 Jan 23 07:56 manager
drwxr-xr-x  5 root root 4096 Jan 23 07:56 host-manager
drwxr-xr-x  6 root root 4096 Jan 23 07:56 examples
drwxr-xr-x 14 root root 4096 Jan 23 07:56 docs
drwxr-xr-x  3 root root 4096 Jan 23 07:56 ROOT



root@aa326d9f8eb0:/usr/local/tomcat/webapps# wget https://s3.us-east-2.amazonaws.com/ganesh39/gameoflife.war
--2019-02-06 15:55:50--  https://s3.us-east-2.amazonaws.com/ganesh39/gameoflife.war
Resolving s3.us-east-2.amazonaws.com (s3.us-east-2.amazonaws.com)... 52.219.88.51
Connecting to s3.us-east-2.amazonaws.com (s3.us-east-2.amazonaws.com)|52.219.88.51|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3192502 (3.0M) [binary/octet-stream]
Saving to: ‘gameoflife.war’

gameoflife.war            100%[===================================>]   3.04M  --.-KB/s    in 0.06s

2019-02-06 15:55:50 (47.8 MB/s) - ‘gameoflife.war’ saved [3192502/3192502]




Dockerfile:(to build docker image)
===============
ADD : add support from URL

add <source> <destination>
 => source can be anything local or URL(HTTP)

COPY:

copy <source> <destination>
=> source is local


FROM tomcat:8
LABEL "AUTHOR"="ganesh"
ADD https://s3.us-east-2.amazonaws.com/ganesh39/gameoflife.war /usr/local/tomcat/webapps/gameoflife.war
EXPOSE 8080
CMD ["catalina.sh", "run"]

OR

FROM tomcat:8
LABEL "AUTHOR"="ganesh"
RUN cd webapss && wget https://s3.us-east-2.amazonaws.com/ganesh39/gameoflife.war
EXPOSE 8080
CMD ["catalina.sh", "run"]


ubuntu@ip-172-31-2-125:~/images/gol$ docker image build -t gol:1.0 .
Sending build context to Docker daemon  2.048kB
Step 1/5 : FROM tomcat:8
 ---> 7ee26c09afb3
Step 2/5 : LABEL "AUTHOR"="ganesh"
 ---> Running in 1f0998c3fea5
Removing intermediate container 1f0998c3fea5
 ---> 3e56156bde58
Step 3/5 : ADD  https://s3.us-east-2.amazonaws.com/ganesh39/gameoflife.war /usr/local/tomcat/webapps/gameoflife.war
Downloading  3.193MB/3.193MB
 ---> ea17d0a299eb
Step 4/5 : EXPOSE 8080
 ---> Running in 14b137b9e0a5
Removing intermediate container 14b137b9e0a5
 ---> b3f3f9a9c80f
Step 5/5 : CMD ["catalina.sh", "run"]
 ---> Running in 83d5cf7bde8a
Removing intermediate container 83d5cf7bde8a
 ---> c839cefc1903
Successfully built c839cefc1903
Successfully tagged gol:1.0

ubuntu@ip-172-31-2-125:~/images/gol$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
gol                 1.0                 c839cefc1903        4 seconds ago       466MB

To run docker in background mode:
=========================
Note: Here your EC2 machine 80 port is linked with 8080 port of docker container.

ubuntu@ip-172-31-2-125:~/images/gol$ docker container run -d -p 80:8080 gol:1.0
9379c92561bc8a3629742f329e5d5cbd0c133ed46ad99f2fc0cb256cd2ba15fa
ubuntu@ip-172-31-2-125:~/images/gol$

To check container status:
===================
ubuntu@ip-172-31-2-125:~/images/gol$ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS              PORTS                  NAMES
9379c92561bc        gol:1.0             "catalina.sh run"   About a minute ago   Up About a minute   0.0.0.0:80->8080/tcp   hardcore_mccarthy
ubuntu@ip-172-31-2-125:~/images/gol$

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