Inherit Docker image from bandsintown/alpine and remove entrypoint

Dockerfile

@@ -2,15 +2,14 @@
 # Flyway image with MySQL Driver
 #
 
-FROM openjdk:8-jre-alpine
-
-RUN apk --no-cache add openssl
+FROM bandsintown/alpine:3.4
 
 WORKDIR /flyway
 
 ENV FLYWAY_VERSION=4.0.3 MYSQL_DRIVER_VERSION=5.1.40 DOCKERIZE_VERSION=v0.2.0
 
-RUN wget https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/${FLYWAY_VERSION}/flyway-commandline-${FLYWAY_VERSION}.tar.gz \
+RUN apk-install openjdk8-jre \
+  && wget https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/${FLYWAY_VERSION}/flyway-commandline-${FLYWAY_VERSION}.tar.gz \
   && tar -xzf flyway-commandline-${FLYWAY_VERSION}.tar.gz \
   && mv flyway-${FLYWAY_VERSION}/* . \
   && rm flyway-commandline-${FLYWAY_VERSION}.tar.gz \
@@ -21,5 +20,4 @@ RUN wget https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/${FLYWAY
   && wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
   && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz
 
-ENTRYPOINT ["flyway"]
-CMD ["--help"]
+CMD ["flyway", "--help"]

README.md

@@ -26,7 +26,7 @@ Assuming your DB is a MySQL Database, running a schema migration is simple as th
 
 ```
 docker run -v ${PWD}:/flyway/sql -it --rm bandsintown/flyway:4.0.3 \
- -url=jdbc:mysql://db -schemas=db_schema -user=db_user -password=db_password migrate
+ flyway -url=jdbc:mysql://db -schemas=db_schema -user=db_user -password=db_password migrate
 ```
 
 ## Waiting for the DB