diff --git a/.dockerignore b/.dockerignore
index 9fb114c1..870f3610 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -9,6 +9,7 @@ data/GeoLite2-City*
 data/database.sqlite
 data/shlink-tests.db
 CHANGELOG.md
+CONTRIBUTING.md
 UPGRADE.md
 composer.lock
 vendor
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53d4637d..a56edebc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 * *Nothing*
 
 ### Changed
+* [#1277](https://github.com/shlinkio/shlink/issues/1277) Reduced docker image size to 45% the original size.
 * [#1268](https://github.com/shlinkio/shlink/issues/1268) Updated dependencies, including symfony/console 6 and mezzio/mezzio-swoole 4.
 * [#1283](https://github.com/shlinkio/shlink/issues/1283) Changed behavior of `DELETE_SHORT_URL_THRESHOLD` env var, disabling the feature if a value was not provided.
 
diff --git a/Dockerfile b/Dockerfile
index 30ca29e3..f3de4a41 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,42 +11,28 @@ WORKDIR /etc/shlink
 
 # Install required PHP extensions
 RUN \
-    # Install extensions with no extra dependencies
-    docker-php-ext-install -j"$(nproc)" pdo_mysql calendar sockets bcmath && \
-    # Install sqlite
-    apk add --no-cache sqlite-libs sqlite-dev && \
+    # Temp install dev dependencies needed to compile the extensions
+    apk add --no-cache --virtual .dev-deps sqlite-dev postgresql-dev icu-dev libzip-dev zlib-dev libpng-dev && \
+    docker-php-ext-install -j"$(nproc)" pdo_mysql pdo_pgsql intl calendar sockets bcmath zip gd && \
+    apk add --no-cache sqlite-libs && \
     docker-php-ext-install -j"$(nproc)" pdo_sqlite && \
-    # Install postgres
-    apk add --no-cache postgresql-dev && \
-    docker-php-ext-install -j"$(nproc)" pdo_pgsql && \
-    # Install intl
-    apk add --no-cache icu-dev && \
-    docker-php-ext-install -j"$(nproc)" intl && \
-    # Install zip and gd
-    apk add --no-cache libzip-dev zlib-dev libpng-dev && \
-    docker-php-ext-install -j"$(nproc)" zip gd && \
-    # Install gmp
-    apk add --no-cache gmp-dev && \
-    docker-php-ext-install -j"$(nproc)" gmp
+    # Remove temp dev extensions, and install prod equivalents that are required at runtime
+    apk del .dev-deps && \
+    apk add --no-cache postgresql icu libzip libpng
 
-# Install sqlsrv driver
-RUN if [ $(uname -m) == "x86_64" ]; then \
-      wget https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk && \
-      apk add --allow-untrusted msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk && \
-      apk add --no-cache --virtual .phpize-deps ${PHPIZE_DEPS} unixodbc-dev && \
-      pecl install pdo_sqlsrv-${PDO_SQLSRV_VERSION} && \
-      docker-php-ext-enable pdo_sqlsrv && \
-      apk del .phpize-deps && \
-      rm msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk ; \
-    fi
-
-# Install openswoole
-RUN apk add --no-cache --virtual .phpize-deps ${PHPIZE_DEPS} && \
+# Install openswoole and sqlsrv driver for x86_64 builds
+RUN apk add --no-cache --virtual .phpize-deps ${PHPIZE_DEPS} unixodbc-dev && \
     pecl install openswoole-${OPENSWOOLE_VERSION} && \
     docker-php-ext-enable openswoole && \
+    if [ $(uname -m) == "x86_64" ]; then \
+      wget https://download.microsoft.com/download/e/4/e/e4e67866-dffd-428c-aac7-8d28ddafb39b/msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk && \
+      apk add --no-cache --allow-untrusted msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk && \
+      pecl install pdo_sqlsrv-${PDO_SQLSRV_VERSION} && \
+      docker-php-ext-enable pdo_sqlsrv && \
+      rm msodbcsql17_${MS_ODBC_SQL_VERSION}-1_amd64.apk ; \
+    fi; \
     apk del .phpize-deps
 
-
 # Install shlink
 FROM base as builder
 COPY . .
diff --git a/data/infra/php.Dockerfile b/data/infra/php.Dockerfile
index 96556869..4fbf676e 100644
--- a/data/infra/php.Dockerfile
+++ b/data/infra/php.Dockerfile
@@ -31,9 +31,6 @@ RUN docker-php-ext-install gd
 RUN apk add --no-cache postgresql-dev
 RUN docker-php-ext-install pdo_pgsql
 
-RUN apk add --no-cache gmp-dev
-RUN docker-php-ext-install gmp
-
 RUN docker-php-ext-install sockets
 RUN docker-php-ext-install bcmath
 
diff --git a/data/infra/swoole.Dockerfile b/data/infra/swoole.Dockerfile
index 570ca2a9..dbaa4202 100644
--- a/data/infra/swoole.Dockerfile
+++ b/data/infra/swoole.Dockerfile
@@ -33,9 +33,6 @@ RUN docker-php-ext-install gd
 RUN apk add --no-cache postgresql-dev
 RUN docker-php-ext-install pdo_pgsql
 
-RUN apk add --no-cache gmp-dev
-RUN docker-php-ext-install gmp
-
 RUN docker-php-ext-install sockets
 RUN docker-php-ext-install bcmath
 
diff --git a/docker/docker-entrypoint.sh b/docker/docker-entrypoint.sh
index 8f48e20a..f1c4c495 100644
--- a/docker/docker-entrypoint.sh
+++ b/docker/docker-entrypoint.sh
@@ -24,11 +24,9 @@ if [ ! -z "${GEOLITE_LICENSE_KEY}" ]; then
   php bin/cli visit:download-db -n ${flags}
 fi
 
-# Periodicaly run visit:locate every hour
-# https://shlink.io/documentation/long-running-tasks/#locate-visits
-# set env var "ENABLE_PERIODIC_VISIT_LOCATE=true" to enable
+# Periodically run visit:locate every hour, if ENABLE_PERIODIC_VISIT_LOCATE=true was provided
 if [ $ENABLE_PERIODIC_VISIT_LOCATE ]; then
-  echo "Configuring periodic visit locate..."
+  echo "Configuring periodic visit location..."
   echo "0 * * * * php /etc/shlink/bin/cli visit:locate -q" > /etc/crontabs/root
   /usr/sbin/crond &
 fi