chore: openresty with envsubst in entrypoint

Author: Wojciech Międzybrodzki

.ops/openresty/Dockerfile

@@ -0,0 +1,9 @@
+# syntax=docker/dockerfile:1.11.1
+FROM openresty/openresty:1.21.4.1-0-jammy
+
+# Openresty with nginx entrypoint (envsubst)
+
+COPY --from=nginx:stable-bookworm /docker-entrypoint.d /docker-entrypoint.d
+COPY ./.ops/openresty/docker-entrypoint.sh /docker-entrypoint.sh
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["/usr/local/openresty/bin/openresty", "-g", "daemon off;"]

.ops/openresty/docker-entrypoint.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+# vim:sw=4:ts=4:et
+
+set -e
+
+if [ -z "${NGINX_ENTRYPOINT_QUIET_LOGS:-}" ]; then
+    exec 3>&1
+else
+    exec 3>/dev/null
+fi
+
+if [ "$1" = "/usr/local/openresty/bin/openresty" ]; then
+    if /usr/bin/find "/docker-entrypoint.d/" -mindepth 1 -maxdepth 1 -type f -print -quit 2>/dev/null | read v; then
+        echo >&3 "$0: /docker-entrypoint.d/ is not empty, will attempt to perform configuration"
+
+        echo >&3 "$0: Looking for shell scripts in /docker-entrypoint.d/"
+        find "/docker-entrypoint.d/" -follow -type f -print | sort -V | while read -r f; do
+            case "$f" in
+                *.sh)
+                    if [ -x "$f" ]; then
+                        echo >&3 "$0: Launching $f";
+                        "$f"
+                    else
+                        # warn on shell scripts without exec bit
+                        echo >&3 "$0: Ignoring $f, not executable";
+                    fi
+                    ;;
+                *) echo >&3 "$0: Ignoring $f";;
+            esac
+        done
+
+        echo >&3 "$0: Configuration complete; ready for start up"
+    else
+        echo >&3 "$0: No files found in /docker-entrypoint.d/, skipping configuration"
+    fi
+fi
+
+exec "$@"

docker-compose.yaml

@@ -22,6 +22,25 @@ services:
       - ./vendor:/app/vendor
       - ./src:/app/src
 
+  openresty:
+    build:
+      dockerfile: ./.ops/openresty/Dockerfile
+      context: .
+      tags:
+        - "ghcr.io/wojciechem/openresty:dev-local"
+    ports:
+      - target: 80
+        published: 8700
+        protocol: tcp
+    volumes:
+      - ./.ops/server.conf.template:/etc/nginx/templates/default.conf.template/:ro
+      - ./public:/app/public
+    environment:
+      - NGINX_HOST=localhost
+      - REDIRECT_DOMAIN=localhost:8700
+      - APP_HOST=webapp
+      - APP_PORT=9000
+
   nginx:
     image: nginx:1.25.1
     ports: