Port to Crystal

.gitignore

@@ -1 +1,2 @@
-monitor
+/bin
+/lib

Dockerfile

@@ -1,23 +1,24 @@
-FROM golang:1.20-alpine AS build
-
-COPY go.mod go.sum monitor.go /go/src/
-RUN cd /go/src && go build monitor.go
+# BUILD image
+FROM crystallang/crystal:1.8-alpine AS build
+COPY . /src
+RUN cd /src && shards build --release --static
 
+# RELEASE image
 FROM jwilder/nginx-proxy:latest AS release
 
 RUN apt-get -q update && \
     apt-get install -y -q --no-install-recommends dnsmasq && \
     apt-get -q clean && rm -r /var/lib/apt/lists/*
 
-# override nginx configs
+# override nginx configs & nginx-proxy templating
 COPY *.conf /etc/nginx/conf.d/
-
-# override nginx-proxy templating
 COPY nginx.tmpl Procfile /app/
-COPY --from=build /go/src/monitor /app/
 
-# COPY htdocs /var/www/default/htdocs/
+# install executable
+COPY --from=build /src/bin/monitor /app/
 
+# default configuration
 ENV DOMAIN_TLD lvh.me
+ENV NETWORK_NAME shared
 ENV DNS_IP 127.0.0.1
 ENV HOSTMACHINE_IP 127.0.0.1

shard.lock

@@ -0,0 +1,10 @@
+version: 2.0
+shards:
+  docker:
+    git: https://github.com/jeromegn/docker.cr.git
+    version: 0.2.0
+
+  json_mapping:
+    git: https://github.com/crystal-lang/json_mapping.cr.git
+    version: 0.1.1
+

shard.yml

@@ -0,0 +1,18 @@
+name: dockerdev
+version: 0.1.0
+
+authors:
+  - Julien Portalier <[email protected]>
+
+description: |
+  DockerDev HTTP Proxy
+
+dependencies:
+  docker:
+    github: jeromegn/docker.cr
+
+targets:
+  monitor:
+    main: src/monitor.cr
+
+license: MIT