diff --git a/Dockerfile b/Dockerfile
index 1263efc934..6373172fcb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,8 @@ RUN	echo "Etc/UTC" > /etc/localtime && \
 
 # Install jemalloc
 ENV JE_VER="5.1.0"
-RUN apt -y install autoconf && \
+RUN apt update && \
+	apt -y install autoconf && \
 	cd ~ && \
 	wget https://github.com/jemalloc/jemalloc/archive/$JE_VER.tar.gz && \
 	tar xf $JE_VER.tar.gz && \
@@ -33,7 +34,8 @@ RUN apt -y install autoconf && \
 ENV RUBY_VER="2.6.1"
 ENV CPPFLAGS="-I/opt/jemalloc/include"
 ENV LDFLAGS="-L/opt/jemalloc/lib/"
-RUN apt -y install build-essential \
+RUN apt update && \
+	apt -y install build-essential \
 		bison libyaml-dev libgdbm-dev libreadline-dev \
 		libncurses5-dev libffi-dev zlib1g-dev libssl-dev && \
 	cd ~ && \
@@ -51,13 +53,14 @@ RUN apt -y install build-essential \
 ENV PATH="${PATH}:/opt/ruby/bin:/opt/node/bin"
 
 RUN npm install -g yarn && \
-	gem install bundler
+	gem install bundler && \
+	apt update && \
+	apt -y install git libicu-dev libidn11-dev \
+	libpq-dev libprotobuf-dev protobuf-compiler
 
-COPY . /opt/mastodon
+COPY Gemfile* package.json yarn.lock /opt/mastodon/
 
-RUN apt -y install git libicu-dev libidn11-dev \
-	libpq-dev libprotobuf-dev protobuf-compiler && \
-	cd /opt/mastodon && \
+RUN cd /opt/mastodon && \
 	bundle install -j$(nproc) --deployment --without development test && \
 	yarn install --pure-lockfile
 
@@ -83,9 +86,6 @@ RUN apt update && \
 	useradd -m -u $UID -g $GID -d /opt/mastodon mastodon && \
 	echo "mastodon:`head /dev/urandom | tr -dc A-Za-z0-9 | head -c 24 | mkpasswd -s -m sha-256`" | chpasswd
 
-# Copy over masto source from building and set permissions
-COPY --from=build-dep --chown=mastodon:mastodon /opt/mastodon /opt/mastodon
-
 # Install masto runtime deps
 RUN apt -y --no-install-recommends install \
 	  libssl1.1 libpq5 imagemagick ffmpeg \
@@ -93,11 +93,9 @@ RUN apt -y --no-install-recommends install \
 	  file ca-certificates tzdata libreadline7 && \
 	apt -y install gcc && \
 	ln -s /opt/mastodon /mastodon && \
-	gem install bundler
-
-# Clean up more dirs
-RUN rm -rf /var/cache && \
-	rm -rf /var/apt
+	gem install bundler && \
+	rm -rf /var/cache && \
+	rm -rf /var/lib/apt
 
 # Add tini
 ENV TINI_VERSION="0.18.0"
@@ -106,6 +104,10 @@ ADD https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini /tin
 RUN echo "$TINI_SUM tini" | sha256sum -c -
 RUN chmod +x /tini
 
+# Copy over masto source, and dependencies from building, and set permissions
+COPY --chown=mastodon:mastodon . /opt/mastodon
+COPY --from=build-dep --chown=mastodon:mastodon /opt/mastodon /opt/mastodon
+
 # Run masto services in prod mode
 ENV RAILS_ENV="production"
 ENV NODE_ENV="production"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2c8fd59c6e..684a34c0a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -402,7 +402,7 @@ GEM
     pg (1.1.4)
     pghero (2.2.0)
       activerecord
-    pkg-config (1.3.4)
+    pkg-config (1.3.5)
     powerpack (0.1.2)
     premailer (1.11.1)
       addressable
diff --git a/app/models/account.rb b/app/models/account.rb
index bf2a17a7f4..79eecc3062 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -268,6 +268,7 @@ class Account < ApplicationRecord
     return if fields.size >= MAX_FIELDS
 
     tmp = self[:fields] || []
+    tmp = [] if tmp.is_a?(Hash)
 
     (MAX_FIELDS - tmp.size).times do
       tmp << { name: '', value: '' }
diff --git a/config/database.yml b/config/database.yml
index 82e560515c..c10bff6b2e 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -3,6 +3,7 @@ default: &default
   pool: <%= ENV["DB_POOL"] || ENV['MAX_THREADS'] || 5 %>
   timeout: 5000
   encoding: unicode
+  sslmode: <%= ENV['DB_SSLMODE'] || "prefer" %>
 
 development:
   <<: *default
@@ -31,3 +32,4 @@ production:
   host: <%= ENV['DB_HOST'] || 'localhost' %>
   port: <%= ENV['DB_PORT'] || 5432 %>
   prepared_statements: <%= ENV['PREPARED_STATEMENTS'] || 'true' %>
+
diff --git a/streaming/index.js b/streaming/index.js
index 406ee09e1d..2e34398866 100644
--- a/streaming/index.js
+++ b/streaming/index.js
@@ -89,6 +89,9 @@ const startWorker = (workerId) => {
       host:     process.env.DB_HOST || pg.defaults.host,
       port:     process.env.DB_PORT || pg.defaults.port,
       max:      10,
+      ssl: {
+        sslmode: process.env.DB_SSLMODE || 'prefer',
+      },
     },
 
     production: {
@@ -98,6 +101,9 @@ const startWorker = (workerId) => {
       host:     process.env.DB_HOST || 'localhost',
       port:     process.env.DB_PORT || 5432,
       max:      10,
+      ssl: {
+        sslmode: process.env.DB_SSLMODE || 'prefer',
+      },
     },
   };