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‎README.md

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# java-cli-buildr-cockroachdb-single-node-without-ssl-pivot
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## Description
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Creates a small database table
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called `dog`. This table, `dog`, has been normalized to 3NF.
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Two new tables have been added, `breedLookup` and `colorLookup`.
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Creates a new table `dog_expanded` that joins
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`dog`, `breedLookup` and `colorLookup`. Added clustered indexes on
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`dog`.breedId and `dog`.colorId. Turned `dog_expanded` into a view with an
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implicit index on `dog_expanded`.id. Using a case statement with the aggregate function
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COUNT, create a new view `breed_count`. All output normally
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seen in a terminal will be in `log` which will dump to the screen. The project may seem to hang but the logs from the container must be written to the project this can take up to 3 min.
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A java buildr build, that connects to single node
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cockroach database without ssl.
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## Tech stack
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- java
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- buildr
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- postgres drivers
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## Docker stack
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- cockroachdb/cockroach:v19.2.2
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- vanto/apache-buildr:latest-jruby-jdk8
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## To run
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`sudo ./install.sh -u`
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- [webui](http://localhost:8080)
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## To stop
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`sudo ./install.sh -d`
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## For help
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`sudo ./install.sh -h`
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## Credit
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[Cockroach setup](https://github.com/s0rg/cockroach-compose)

‎db/init-data.sh

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#!/usr/bin/env sh
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HOST="db"
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DATA_SRC=/docker-entrypoint-initdb.d
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hold=/tmp/hold.sql
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/cockroach/cockroach.sh init --host "$HOST" --insecure
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# /cockroach/cockroach.sh user set testuser --host "$HOST" --insecure
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for sql in `ls ${DATA_SRC}/*.sql`; do
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cat $sql >> $hold
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done
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cat $hold | /cockroach/cockroach.sh sql --host $HOST --insecure
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exit 0

‎db/sql/00-create-table.sql

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CREATE DATABASE animal;
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USE animal;
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CREATE SEQUENCE dog_id_seq INCREMENT 1 MINVALUE 1 MAXVALUE 2147483647 START 1;
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CREATE TABLE dog (
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id integer DEFAULT nextval('dog_id_seq') NOT NULL,
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breedId integer NOT NULL,
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colorId integer NOT NULL
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);

‎db/sql/01-table-insert.sql

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INSERT INTO dog (breedId, colorId)
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VALUES
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(1, 1),
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(1, 2),
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(1, 3),
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(2, 2),
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(3, 2),
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(3, 3),
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(4, 3),
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(4, 4);

‎db/sql/02-create-table.sql

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CREATE SEQUENCE breedLookup_id_seq INCREMENT 1 MINVALUE 1 MAXVALUE 2147483647 START 1;
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CREATE TABLE breedLookup (
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id integer DEFAULT nextval('breedLookup_id_seq') NOT NULL,
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breed text NOT NULL
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);

‎db/sql/03-table-insert.sql

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INSERT INTO breedLookup (breed)
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VALUES
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('Am Bulldog'),
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('Blue Tick'),
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('Labrador'),
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('Gr Shepard');

‎db/sql/04-create-table.sql

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CREATE SEQUENCE colorLookup_id_seq INCREMENT 1 MINVALUE 1 MAXVALUE 2147483647 START 1;
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CREATE TABLE colorLookup (
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id integer DEFAULT nextval('colorLookup_id_seq') NOT NULL,
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color text NOT NULL
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);

‎db/sql/05-table-insert.sql

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INSERT INTO colorLookup (color)
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VALUES
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('White'),
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('Grey'),
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('Black'),
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('Brown');

‎db/sql/07-create-index.sql

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CREATE INDEX IDX_breed on dog(breedId);
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CREATE INDEX IDX_color on dog(colorId);

‎db/sql/08-create-view.sql

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CREATE VIEW dog_expanded AS (
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SELECT a.id, b.breed, c.color
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FROM dog AS a
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JOIN breedLookup AS b ON b.id = a.breedId
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JOIN colorLookup AS c ON c.id = a.colorId
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);

‎db/sql/09-create-view.sql

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CREATE VIEW breed_count AS
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SELECT c.id, c.breed, CASE
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WHEN a.breedId BETWEEN 1 AND 5 THEN COUNT(a.breedId)
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ELSE COUNT(NULL)
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END
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FROM dog as a
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JOIN breedLookup as c ON c.id = a.breedId
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GROUP BY c.id, c.breed, a.breedId
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ORDER BY c.id;

‎docker-compose.yml

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version: '3'
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services:
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java-srv:
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build:
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context: java-srv
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depends_on:
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- db-runner
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links:
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- "db:db"
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volumes:
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- ./log:/root/log
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db:
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image: cockroachdb/cockroach:v19.2.2
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ports:
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- "26257:26257"
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- "8080:8080"
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command: start-single-node --insecure
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db-runner:
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image: cockroachdb/cockroach:v19.2.2
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command:
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- shell
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- /usr/local/bin/init-data.sh
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volumes:
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- ./db/init-data.sh:/usr/local/bin/init-data.sh:ro
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- ./db/sql:/docker-entrypoint-initdb.d
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depends_on:
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- db
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links:
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- "db:db"

‎general.log

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[2022-09-02 14:11:43 INFO]: install::setup-logging ended
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================
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[2022-09-02 14:11:43 INFO]: install::start-up started
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[2022-09-02 14:11:43 INFO]: install::start-up starting services
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[2022-09-02 14:11:43 INFO]: install::start-up ended
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================
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[2022-09-02 14:12:29 INFO]: install::root-check started
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[2022-09-02 14:12:29 INFO]: install::root-check ended
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================
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[2022-09-02 14:12:29 INFO]: install::docker-check started
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[2022-09-02 14:12:29 INFO]: install::docker-check ended
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================
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[2022-09-02 14:12:29 INFO]: install::docker-compose-check started
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[2022-09-02 14:12:29 INFO]: install::docker-compose-check ended
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================
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[2022-09-02 14:12:29 INFO]: install::tear-down started
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[2022-09-02 14:12:29 INFO]: install::tear-down starting services
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[2022-09-02 14:12:29 INFO]: install::tear-down ended
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================

‎install.sh

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#!/usr/bin/env bash
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basefile="install"
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logfile="general.log"
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timestamp=`date '+%Y-%m-%d %H:%M:%S'`
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if [ "$#" -ne 1 ]; then
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msg="[ERROR]: $basefile failed to receive enough args"
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echo "$msg"
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echo "$msg" >> $logfile
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exit 1
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fi
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function setup-logging(){
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scope="setup-logging"
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info_base="[$timestamp INFO]: $basefile::$scope"
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echo "$info_base started" >> $logfile
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echo "$info_base removing old logs" >> $logfile
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rm -f $logfile
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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function root-check(){
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scope="root-check"
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info_base="[$timestamp INFO]: $basefile::$scope"
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echo "$info_base started" >> $logfile
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#Make sure the script is running as root.
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if [ "$UID" -ne "0" ]; then
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echo "[$timestamp ERROR]: $basefile::$scope you must be root to run $0" >> $logfile
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echo "==================" >> $logfile
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echo "You must be root to run $0. Try the following"
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echo "sudo $0"
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exit 1
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fi
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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function docker-check() {
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scope="docker-check"
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info_base="[$timestamp INFO]: $basefile::$scope"
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cmd=`docker -v`
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echo "$info_base started" >> $logfile
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if [ -z "$cmd" ]; then
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echo "$info_base docker not installed"
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echo "$info_base docker not installed" >> $logfile
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fi
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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function docker-compose-check() {
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scope="docker-compose-check"
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info_base="[$timestamp INFO]: $basefile::$scope"
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cmd=`docker-compose -v`
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echo "$info_base started" >> $logfile
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if [ -z "$cmd" ]; then
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echo "$info_base docker-compose not installed"
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echo "$info_base docker-compose not installed" >> $logfile
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fi
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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function usage() {
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echo ""
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echo "Usage: "
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echo ""
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echo "-u: start."
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echo "-d: tear down."
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echo "-h: Display this help and exit."
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echo ""
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}
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function start-up(){
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local scope="start-up"
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local docker_img_name=`head -n 1 README.md | sed 's/# //'`
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local info_base="[$timestamp INFO]: $basefile::$scope"
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echo "$info_base started" >> $logfile
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echo "$info_base starting services" >> $logfile
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sudo docker-compose up --build
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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function tear-down(){
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scope="tear-down"
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info_base="[$timestamp INFO]: $basefile::$scope"
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echo "$info_base started" >> $logfile
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echo "$info_base starting services" >> $logfile
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sudo docker-compose down \
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&& sudo rm -R log
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echo "$info_base ended" >> $logfile
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echo "================" >> $logfile
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}
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root-check
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docker-check
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docker-compose-check
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while getopts ":udh" opts; do
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case $opts in
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u)
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setup-logging
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start-up ;;
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d)
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tear-down ;;
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h)
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usage
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exit 0 ;;
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/?)
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usage
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exit 1 ;;
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esac
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done

‎java-srv/Dockerfile

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FROM vanto/apache-buildr:latest-jruby-jdk8 as builder
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WORKDIR /workspace
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COPY bin .
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RUN buildr compile
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FROM alpine:edge
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RUN adduser -D developer
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ENV DISPLAY :0
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RUN apk update \
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&& apk add openjdk11
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RUN apk --no-cache add msttcorefonts-installer fontconfig && \
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update-ms-fonts && \
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fc-cache -f
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USER developer
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WORKDIR /home/developer
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COPY --from=builder /workspace/target/classes .
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CMD ["java", "example.Main"]

‎java-srv/bin/buildfile

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# Generated by Buildr 1.4.22, change to your liking
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# Version number for this release
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VERSION_NUMBER = "1.0.0"
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# Group identifier for your projects
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GROUP = "desktop-app"
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COPYRIGHT = ""
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# Specify Maven 2.0 remote repositories here, like this:
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repositories.remote << "http://insecure.repo1.maven.org/maven2"
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desc "The POC apache buildr project"
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define "desktop-app" do
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project.version = VERSION_NUMBER
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project.group = GROUP
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manifest["Implementation-Vendor"] = COPYRIGHT
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compile.with "com.google.guava:guava:jar:29.0-jre",
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"org.postgresql:postgresql:jar:42.2.18",
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"log4j:log4j:jar:1.2.17",
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"org.slf4j:slf4j-api:jar:1.7.5",
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"org.slf4j:slf4j-log4j12:jar:1.7.5"
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package(:jar)
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run.using :main => 'example.Main'
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end

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