Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7.5
+FROM ruby:2.3
 
 RUN supercronicUrl=https://github.com/aptible/supercronic/releases/download/v0.1.3/supercronic-linux-amd64 && \
     supercronicBin=/usr/local/bin/supercronic && \

Dockerfile.development

@@ -1,7 +1,7 @@
-FROM alpine:3.14
+FROM alpine:3.5
 
-ENV BUILD_PKGS="build-base ruby-dev libffi-dev libxml2-dev mariadb-dev sqlite-dev" \
-    RUNTIME_PKGS="ruby ruby-json ruby-bigdecimal ruby-irb ruby-bundler ca-certificates mariadb-client sqlite tzdata" \
+ENV BUILD_PKGS="build-base ruby-dev libffi-dev libxml2-dev mariadb-dev" \
+    RUNTIME_PKGS="ruby ruby-json ruby-bigdecimal ruby-irb ruby-bundler ca-certificates mariadb-client" \
     DEVELOPMENT_PKGS="bash"
 
 RUN apk --no-cache add $BUILD_PKGS $RUNTIME_PKGS $DEVELOPMENT_PKGS

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     build:
       context: ./
       dockerfile: Dockerfile.development
-    command: bundle exec rails server -b 0.0.0.0
+    command: rails server --bind 0.0.0.0
     volumes:
       - ./:/srv/app
     ports: