From 4ac6d08bc82943c9f7a5099d279944877a08521a Mon Sep 17 00:00:00 2001
From: JuliusR <>
Date: Sat, 18 Dec 2021 17:15:32 +0100
Subject: [PATCH 1/5] set Dockerfile's base image to ruby:2.7.5

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 71c76b5..cd527f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.3
+FROM ruby:2.7.5
 
 RUN supercronicUrl=https://github.com/aptible/supercronic/releases/download/v0.1.3/supercronic-linux-amd64 && \
     supercronicBin=/usr/local/bin/supercronic && \

From dc1b336ba46b6a280b719473f50805b131522d81 Mon Sep 17 00:00:00 2001
From: JuliusR <>
Date: Sat, 18 Dec 2021 18:27:38 +0100
Subject: [PATCH 2/5] prefix 'rails server' command with 'bundle exec'
 (docker-compose.yml)

---
 docker-compose.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 16dd6e6..d060f08 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ services:
     build:
       context: ./
       dockerfile: Dockerfile.development
-    command: rails server --bind 0.0.0.0
+    command: bundle exec rails server --bind 0.0.0.0
     volumes:
       - ./:/srv/app
     ports:

From a92d4a1a3227f4020d07552324642eb02b910303 Mon Sep 17 00:00:00 2001
From: JuliusR <>
Date: Sat, 18 Dec 2021 18:29:27 +0100
Subject: [PATCH 3/5] prefer '-b 0.0.0.0' over '--bind 0.0.0.0'
 (docker-compose.yml)

The latter yields the following error:

    `handle_argument_error': ERROR: "rails server" was called with
    arguments ["--bind", "0.0.0.0"] (Thor::InvocationError)
---
 docker-compose.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index d060f08..fa55c1f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ services:
     build:
       context: ./
       dockerfile: Dockerfile.development
-    command: bundle exec rails server --bind 0.0.0.0
+    command: bundle exec rails server -b 0.0.0.0
     volumes:
       - ./:/srv/app
     ports:

From 6eb1d60f0307275c0f9c70fd262492ab47893c6f Mon Sep 17 00:00:00 2001
From: JuliusR <>
Date: Sat, 18 Dec 2021 18:31:38 +0100
Subject: [PATCH 4/5] use alpine:3.14 as Dockerfile.development's base (was:
 3.5)

---
 Dockerfile.development | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile.development b/Dockerfile.development
index b62f07c..8839bae 100644
--- a/Dockerfile.development
+++ b/Dockerfile.development
@@ -1,4 +1,4 @@
-FROM alpine:3.5
+FROM alpine:3.14
 
 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" \

From 7e2c1d58f6508a655c57192d69be73c2511d0058 Mon Sep 17 00:00:00 2001
From: JuliusR <>
Date: Sat, 18 Dec 2021 18:32:13 +0100
Subject: [PATCH 5/5] add apk packages to Dockerfile.development: sqlite[-dev],
 tzdata

---
 Dockerfile.development | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Dockerfile.development b/Dockerfile.development
index 8839bae..3c1d20c 100644
--- a/Dockerfile.development
+++ b/Dockerfile.development
@@ -1,7 +1,7 @@
 FROM alpine:3.14
 
-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" \
+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" \
     DEVELOPMENT_PKGS="bash"
 
 RUN apk --no-cache add $BUILD_PKGS $RUNTIME_PKGS $DEVELOPMENT_PKGS