Merge pull request #2 from mindbox-cloud/feature/l4

Add layer4 module

.github/workflows/build-docker.yml

@@ -41,4 +41,7 @@ jobs:
           context: .
           file: ./Dockerfile
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}         
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: |
+            linux/amd64
+            linux/arm64

Dockerfile

@@ -1,13 +1,15 @@
-ARG CADDY_VERSION=2.7
+ARG CADDY_VERSION=2.8
 FROM caddy:${CADDY_VERSION}-builder AS builder
 
 RUN xcaddy build \
     --with github.com/lucaslorentz/caddy-docker-proxy/v2 \
     --with github.com/yroc92/postgres-storage \
-    --with github.com/ss098/certmagic-s3
+    --with github.com/ss098/certmagic-s3 \
+    --with github.com/mholt/caddy-l4
 
 FROM caddy:${CADDY_VERSION}-alpine
 
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+ADD ./sniproxy.Caddyfile /etc/caddy
 
 CMD ["caddy", "docker-proxy"]

sniproxy.Caddyfile

@@ -0,0 +1,21 @@
+{
+    layer4 {
+        udp/:443 {
+            route {
+                proxy {l4.tls.server_name}:443
+            }
+        }
+
+        tcp/:443 tcp/:80 {
+            @insecure http
+            route @insecure {
+                proxy {l4.http.host}:80
+            }
+
+            @secure tls
+            route @secure {
+                proxy {l4.tls.server_name}:443
+            }
+        }
+    }
+}