Add entrypoint file to execute after tini. (#47)

Author: conradwt

Dockerfile

@@ -81,9 +81,11 @@ RUN bundle check || bundle install --jobs 20 --retry 5
 
 COPY . .
 
+RUN chmod +x ./entrypoint.sh
+
 RUN chown -R ${USER}:${USER} ${APP_PATH}
 
-ENTRYPOINT ["/sbin/tini", "--"]
+ENTRYPOINT ["/sbin/tini", "--", "./entrypoint.sh"]
 
 # Why should this go into `base` instead of `prod` stage?
 # CMD ["rails", "server", "-b", "0.0.0.0", "-e", "production"]

dev.entrypoint.sh

@@ -7,8 +7,8 @@ echo "Environment: $RAILS_ENV"
 # install missing gems
 bundle check || bundle install --jobs 20 --retry 5
 
-# Remove pre-existing puma/passenger server.pid
-rm -f $APP_PATH/tmp/pids/server.pid
+# remove pre-existing puma/passenger server.pid
+rm -f ${APP_PATH}/tmp/pids/server.pid
 
 # run passed commands
 bundle exec ${@}

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+# remove a potentially pre-existing server.pid for Rails.
+rm -f ${APP_PATH}/tmp/pids/server.pid
+
+# Then exec the container's main process (what's set as CMD in the Dockerfile).
+exec "$@"

test.entrypoint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+echo "Environment: $RAILS_ENV"
+
+# Check if we need to install new gems
+bundle check || bundle install --jobs 20 --retry 5
+
+# Then run any passed command
+bundle exec ${@}