Create custom dockerfile

postgres/Dockerfile

@@ -0,0 +1,20 @@
+FROM postgres:12.1
+WORKDIR /app
+
+ENV PGHOST=localhost
+ENV PGDATABASE=kata
+ENV PGPASSWORD=admin
+ENV PGUSER=postgres
+ENV POSTGRES_PASSWORD=admin
+ENV PGDATA /var/lib/postgresql/data_local
+
+RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA"
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends ca-certificates wget \
+ && rm -rf /var/lib/apt/lists/*
+
+ADD ./*.sh /app/
+ADD ./*.sql /app/
+RUN chmod +x ./*.sh \
+ && ./initializeDocker.sh

postgres/docker-compose.yml

@@ -2,15 +2,7 @@ version: '3'
 
 services:
   database:
-    image: postgres:12.1
-    environment:
-    - DB_HOST=localhost
-    - DB_PASSWORD=admin
-    - PGHOST=localhost
-    - PGDATABASE=postgres
-    - PGPASSWORD=admin
-    - PGUSER=postgres
-    - POSTGRES_PASSWORD=admin
+    build: .
     ports:
     - "5432:5432"
     volumes:

postgres/initializeDatabase.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -ex
+
+echo "Create database"
+psql -d postgres -c 'DROP DATABASE IF EXISTS kata;'
+psql -d postgres -c 'CREATE DATABASE kata;'
+psql -d kata -c 'CREATE EXTENSION DBLINK;'
+
+echo "Initialize test framework"
+wget https://raw.githubusercontent.com/adrianandrei-ca/pgunit/bc69dfc526ec3db55ff72af5d78eab55661502af/PGUnit.sql \
+ && psql -d kata -f PGUnit.sql \
+ && rm PGUnit.sql
+
+echo "Initialize custom asserts"
+psql -d kata -f asserts.sql
+
+echo "Add current code"
+psql -d kata -f item.sql
+psql -d kata -f new_item.sql
+psql -d kata -f update_quality.sql

postgres/initializeDocker.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+wait_database()
+{
+    while :
+    do
+        (echo > /dev/tcp/127.0.0.1/5432) >/dev/null 2>&1
+        result=$?
+
+        if [[ $result -eq 0 ]]; then
+            break
+        fi
+        sleep 1
+    done
+    return $result
+}
+
+nohup docker-entrypoint.sh postgres  > /dev/null 2>&1 &
+wait_database
+
+set -ex
+
+./initializeDatabase.sh
+
+echo "Stop database"
+disown %1