Configured liquibase in Spring Boot to allow pluggin to raw postgres

app-monolith/pom.xml

@@ -82,6 +82,11 @@
             <version>42.1.4</version>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.liquibase</groupId>
+            <artifactId>liquibase-core</artifactId>
+            <version>3.5.5</version>
+        </dependency>
         <dependency>
             <groupId>org.spockframework</groupId>
             <artifactId>spock-core</artifactId>

app-monolith/src/main/resources/application.properties

@@ -5,5 +5,7 @@ spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
 spring.datasource.username=postgres
 spring.datasource.password=
 spring.datasource.driver-class-name=org.postgresql.Driver
+liquibase.change-log=classpath:/schema/db.changelog.xml
 logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss} %-5level %logger{36} - %msg%n
 logging.level.=error
+

database/Dockerfile

@@ -1,17 +0,0 @@
-FROM postgres:10
-MAINTAINER Michał Michaluk <michal.michaluk@bottega.com.pl>
-
-RUN apt-get update -y
-RUN apt-get install openjdk-8-jre-headless -y
-
-ADD http://central.maven.org/maven2/org/liquibase/liquibase-core/3.4.2/liquibase-core-3.4.2.jar /lib/liquibase.jar
-ADD http://central.maven.org/maven2/org/postgresql/postgresql/9.4.1212/postgresql-9.4.1212.jar /lib/postgresql.jar
-RUN chmod a+r /lib/liquibase.jar
-RUN chmod a+r /lib/postgresql.jar
-
-ADD schema /schema
-ADD initdb.sql /docker-entrypoint-initdb.d/
-ADD start-and-migrate.sh /
-RUN chmod +x /start-and-migrate.sh
-
-CMD /start-and-migrate.sh postgres

database/initdb.sql

@@ -1,2 +0,0 @@
-
--- see schema directory

database/start-and-migrate.sh

@@ -1,173 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-# usage: file_env VAR [DEFAULT]
-#    ie: file_env 'XYZ_DB_PASSWORD' 'example'
-# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
-#  "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
-file_env() {
-	local var="$1"
-	local fileVar="${var}_FILE"
-	local def="${2:-}"
-	if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
-		echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-		exit 1
-	fi
-	local val="$def"
-	if [ "${!var:-}" ]; then
-		val="${!var}"
-	elif [ "${!fileVar:-}" ]; then
-		val="$(< "${!fileVar}")"
-	fi
-	export "$var"="$val"
-	unset "$fileVar"
-}
-
-if [ "${1:0:1}" = '-' ]; then
-	set -- postgres "$@"
-fi
-
-# allow the container to be started with `--user`
-if [ "$1" = 'postgres' ] && [ "$(id -u)" = '0' ]; then
-	mkdir -p "$PGDATA"
-	chown -R postgres "$PGDATA"
-	chmod 700 "$PGDATA"
-
-	mkdir -p /var/run/postgresql
-	chown -R postgres /var/run/postgresql
-	chmod 775 /var/run/postgresql
-
-	# Create the transaction log directory before initdb is run (below) so the directory is owned by the correct user
-	if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
-		mkdir -p "$POSTGRES_INITDB_XLOGDIR"
-		chown -R postgres "$POSTGRES_INITDB_XLOGDIR"
-		chmod 700 "$POSTGRES_INITDB_XLOGDIR"
-	fi
-
-	exec gosu postgres "$BASH_SOURCE" "$@"
-fi
-
-if [ "$1" = 'postgres' ]; then
-	mkdir -p "$PGDATA"
-	chown -R "$(id -u)" "$PGDATA" 2>/dev/null || :
-	chmod 700 "$PGDATA" 2>/dev/null || :
-
-	# look specifically for PG_VERSION, as it is expected in the DB dir
-	if [ ! -s "$PGDATA/PG_VERSION" ]; then
-		file_env 'POSTGRES_INITDB_ARGS'
-		if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
-			export POSTGRES_INITDB_ARGS="$POSTGRES_INITDB_ARGS --xlogdir $POSTGRES_INITDB_XLOGDIR"
-		fi
-		eval "initdb --username=postgres $POSTGRES_INITDB_ARGS"
-
-		# check password first so we can output the warning before postgres
-		# messes it up
-		file_env 'POSTGRES_PASSWORD'
-		if [ "$POSTGRES_PASSWORD" ]; then
-			pass="PASSWORD '$POSTGRES_PASSWORD'"
-			authMethod=md5
-		else
-			# The - option suppresses leading tabs but *not* spaces. :)
-			cat >&2 <<-'EOWARN'
-				****************************************************
-				WARNING: No password has been set for the database.
-				         This will allow anyone with access to the
-				         Postgres port to access your database. In
-				         Docker's default configuration, this is
-				         effectively any other container on the same
-				         system.
-
-				         Use "-e POSTGRES_PASSWORD=password" to set
-				         it in "docker run".
-				****************************************************
-			EOWARN
-
-			pass=
-			authMethod=trust
-		fi
-
-		{
-			echo
-			echo "host all all all $authMethod"
-		} >> "$PGDATA/pg_hba.conf"
-
-		# internal start of server in order to allow set-up using psql-client
-		# does not listen on external TCP/IP and waits until start finishes
-		PGUSER="${PGUSER:-postgres}" \
-		pg_ctl -D "$PGDATA" \
-			-o "-c listen_addresses='localhost'" \
-			-w start
-
-		file_env 'POSTGRES_USER' 'postgres'
-		file_env 'POSTGRES_DB' "$POSTGRES_USER"
-
-		psql=( psql -v ON_ERROR_STOP=1 )
-
-		if [ "$POSTGRES_DB" != 'postgres' ]; then
-			"${psql[@]}" --username postgres <<-EOSQL
-				CREATE DATABASE "$POSTGRES_DB" ;
-			EOSQL
-			echo
-		fi
-
-		if [ "$POSTGRES_USER" = 'postgres' ]; then
-			op='ALTER'
-		else
-			op='CREATE'
-		fi
-		"${psql[@]}" --username postgres <<-EOSQL
-			$op USER "$POSTGRES_USER" WITH SUPERUSER $pass ;
-		EOSQL
-		echo
-
-		psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
-
-		echo
-		for f in /docker-entrypoint-initdb.d/*; do
-			case "$f" in
-				*.sh)     echo "$0: running $f"; . "$f" ;;
-				*.sql)    echo "$0: running $f"; "${psql[@]}" -f "$f"; echo ;;
-				*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
-				*)        echo "$0: ignoring $f" ;;
-			esac
-			echo
-		done
-
-		PGUSER="${PGUSER:-postgres}" \
-		pg_ctl -D "$PGDATA" -m fast -w stop
-
-		echo
-		echo 'PostgreSQL init process complete; ready for start up.'
-		echo
-	fi
-fi
-
-# migrate schema with liquibase if anything in /schema has changed
-SCHEMASUM=`find /schema/ -type f | xargs cat | md5sum | cut -d ' ' -f1`
-if [ ! -f $PGDATA/schema.md5 ] || [[ $(< $PGDATA/schema.md5) != "$SCHEMASUM" ]]; then
-
-    PGUSER="${PGUSER:-postgres}" \
-    pg_ctl -D "$PGDATA" \
-          -o "-c listen_addresses='localhost'" \
-          -w start
-
-    echo
-    echo 'Starting Schema Migration'
-
-    java -jar /lib/liquibase.jar \
-          --classpath=/lib/postgresql.jar \
-          --changeLogFile=/schema/db.changelog.xml \
-          --driver=org.postgresql.Driver \
-          --url="jdbc:postgresql://localhost:5432/postgres" \
-          --username="postgres" \
-          --password="" \
-          update
-
-    echo
-
-    PGUSER="${PGUSER:-postgres}" \
-    pg_ctl -D "$PGDATA" -m fast -w stop
-    echo "$SCHEMASUM" > $PGDATA/schema.md5
-fi
-
-exec "$@"