feat: Adds crowdsec to caddy.

.gitignore

@@ -0,0 +1 @@
+.env

Dockerfile

@@ -1,18 +1,23 @@
-FROM caddy/caddy:2.9.1-builder-alpine AS builder
+# Adapted from: https://github.com/crowdsecurity/example-docker-compose/blob/main/caddy/Caddyfile
+#
+# the different stages of this Dockerfile are meant to be built into separate images
+# https://docs.docker.com/develop/develop-images/multistage-build/#stop-at-a-specific-build-stage
+# https://docs.docker.com/compose/compose-file/#target
+
+# https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
+ARG CADDY_VERSION=2
+
+FROM caddy:${CADDY_VERSION}-builder-alpine AS builder
 
 RUN xcaddy build \
-  --with github.com/caddy-dns/cloudflare
+  --with github.com/caddy-dns/cloudflare \
+  --with github.com/mholt/caddy-l4 \
+  --with github.com/caddyserver/transform-encoder \
+  --with github.com/hslatman/caddy-crowdsec-bouncer/http@main \
+  --with github.com/hslatman/caddy-crowdsec-bouncer/layer4@main
 
-# ==================================================
-# Run image
-# ==================================================
+FROM caddy:${CADDY_VERSION} AS caddy
 
-#FROM ghcr.io/authcrunch/authcrunch:latest
-FROM caddy/caddy:2.9.1-alpine
+WORKDIR /
 
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy
-COPY ./config /etc/caddy
-
-RUN /usr/bin/caddy fmt --overwrite /etc/caddy/Caddyfile
-
-CMD ["/usr/bin/caddy", "run", "--config", "/etc/caddy/Caddyfile"]

compose.yaml

@@ -2,6 +2,7 @@ services:
   caddy:
     build:
       context: .
+      target: caddy
     container_name: caddy
     restart: unless-stopped
     env_file:
@@ -10,6 +11,7 @@ services:
       - CLOUDFLARE_EMAIL=${CF_EMAIL}
       - CLOUDFLARE_API_TOKEN=${CF_AUTH_TOKEN}
       - ACME_AGREE=true
+      - CROWDSEC_API_KEY=${CROWDSEC_API_KEY}
     ports:
       - 80:80
       - 443:443
@@ -20,6 +22,24 @@ services:
       - ./config:/etc/caddy
       - caddy_data:/data
       - caddy_config:/config
+      - caddy_logs:/var/log/caddy
+    networks:
+      - proxy
+    security_opt:
+      - no-new-privileges:true
+
+  crowdsec:
+    image: docker.io/crowdsecurity/crowdsec:latest
+    container_name: crowdsec
+    restart: unless-stopped
+    environment:
+      - GID=1000
+      - COLLECTIONS="crowdsecurity/linux crowdsecurity/caddy crowdsecurity/http-cve crowdsecurity/whitelisth-good-actors"
+      - BOUNCER_KEY_CADDY=${CROWDSEC_API_KEY}
+    volumes:
+      - crowdsec_db:/var/lib/crowdsec/data/
+      - ./crowdsec/acquis.yaml:/etc/crowdsec/acquis.yaml
+      - caddy_logs:/var/log/caddy:ro
     networks:
       - proxy
     security_opt:
@@ -28,6 +48,8 @@ services:
 volumes:
   caddy_data: {}
   caddy_config: {}
+  caddy_logs: {}
+  crowdsec_db: {}
 
 networks:
   proxy:

config/Caddyfile

@@ -1,5 +1,15 @@
 {
     email {env.ACME_EMAIL}
+    servers {
+        client_ip_headers X-Forwarded-For
+        trusted_proxies static private_ranges
+        trusted_proxies_strict
+    }
+    order crowdsec before respond
+    crowdsec {
+          api_url http://crowdsec:8080
+          api_key {$CROWDSEC_API_KEY}
+    }
 }
 
 # Subdomains
@@ -9,39 +19,51 @@
         resolvers 1.1.1.1
     }
 
+    log {
+        level INFO
+        output file /var/log/caddy/access.log
+    }
+
     @pos host po.housh.dev
     handle @pos {
           reverse_proxy http://roguemini.housh.dev:8082
+          crowdsec
     }
 
     @legacypos host legacy-po.housh.dev
     handle @legacypos {
          reverse_proxy http://roguemini.housh.dev:5000
+          crowdsec
     }
 
     @gitea host git.housh.dev
     handle @gitea {
          reverse_proxy gitea:3000
+          crowdsec
     }
 
     @dash host dash.housh.dev
     handle @dash {
          reverse_proxy http://roguemini.housh.dev:7575
+          crowdsec
     }
 
     @komodo host komo.housh.dev
     handle @komodo {
          reverse_proxy komodo:9120
+          crowdsec
     }
 
     @excalidraw host draw.housh.dev
     handle @excalidraw {
          reverse_proxy excalidraw:80
+          crowdsec
     }
 
     @uptimekuma host uptime.housh.dev
     handle @uptimekuma {
           reverse_proxy uptime_kuma:3001
+          crowdsec
     }
 
     @immich host photos.housh.dev
@@ -51,41 +73,49 @@
       @public path /share /share/*
       handle @public {
           reverse_proxy http://frankenmini.housh.dev:3000
+          crowdsec
       }
 
       handle {
           reverse_proxy http://frankenmini.housh.dev:2283
+          crowdsec
       }
     }
 
     @snapp host s.housh.dev
     handle @snapp {
           reverse_proxy http://roguemini.housh.dev:3000
+          crowdsec
     }
 
     @docs host docs.housh.dev
     handle @docs {
           reverse_proxy docs:80
+          crowdsec
     }
 
     @pocket_id host id.housh.dev
     handle @pocket_id {
           reverse_proxy pocket-id:1411
+          crowdsec
     }
 
     @plausible host plausible.housh.dev
     handle @plausible {
           reverse_proxy http://roguemini.housh.dev:8004
+          crowdsec
     }
 
     @vaultwarden host vaultwarden.housh.dev
     handle @vaultwarden {
           reverse_proxy http://roguemini.housh.dev:8888
+          crowdsec
     }
 
     @calendar host calendar.housh.dev
     handle @calendar {
-        reverse_proxy http://frankenmini.housh.dev:5232
+          reverse_proxy http://frankenmini.housh.dev:5232
+          crowdsec
     }
 
 
@@ -98,19 +128,16 @@ console.mightymini.housh.dev {
         resolvers 1.1.1.1
     }
 
+    log {
+        level INFO
+        output file /var/log/caddy/access.log
+    }
+
     reverse_proxy https://192.168.50.6:9090 {
           transport http {
               tls_insecure_skip_verify
           }
+          crowdsec
     }
 }
 
-# Duplicati (backup service).
-duplicati.mightymini.housh.dev {
-    tls {
-        dns cloudflare {env.CF_AUTH_TOKEN}
-        resolvers 1.1.1.1
-    }
-
-    reverse_proxy http://duplicati:8200
-}

crowdsec/acquis.yaml

@@ -0,0 +1,4 @@
+filenames:
+  - /var/log/caddy/*.log
+labels:
+  type: caddy

example.env

@@ -1,3 +1,4 @@
 ACME_EMAIL="acme@example.com"
 CF_AUTH_TOKEN="secret-token"
 CF_EMAIL="cloudflare@example.com"
+CROWDSEC_API_KEY="CHANGEME"