diff --git a/docker-compose.yml b/docker-compose.yml index acb119a..24defd7 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -1,5 +1,43 @@ version: '2' services: + nginx: + image: nginx + container_name: nginx + ports: + - "80:80" + - "443:443" + volumes: + - "/etc/nginx/conf.d" + - "/etc/nginx/vhost.d" + - "/usr/share/nginx/html" + - "certificates:/etc/nginx/certs:ro" + networks: + - proxy-tier + restart: always + nginx-gen: + image: jwilder/docker-gen + container_name: nginx-gen + volumes: + - "/var/run/docker.sock:/tmp/docker.sock:ro" + - "/volumes/proxy/templates/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro" + volumes_from: + - nginx + networks: + - proxy-tier + entrypoint: /usr/local/bin/docker-gen -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf + restart: always + letsencrypt-nginx-proxy-companion: + image: jrcs/letsencrypt-nginx-proxy-companion + container_name: letsencrypt-nginx-proxy-companion + volumes_from: + - nginx + volumes: + - "/var/run/docker.sock:/var/run/docker.sock:ro" + - "certificates:/etc/nginx/certs:rw" + environment: + NGINX_DOCKER_GEN_CONTAINER: nginx-gen + restart: always + lcapi: image: lansingcodes/lcapi env_file: lcapirc @@ -8,6 +46,8 @@ services: LETSENCRYPT_HOST: lcapi.atomaka.com,api.lansing.codes LETSENCRYPT_EMAIL: me@atomaka.com VIRTUAL_HOST: lcapi.atomaka.com,api.lansing.codes + networks: + - proxy-tier lubot: image: lansingcodes/lubot env_file: lubotrc @@ -19,4 +59,14 @@ services: LETSENCRYPT_HOST: lcslack.atomaka.com,slack.lansing.codes LETSENCRYPT_EMAIL: me@atomaka.com VIRTUAL_HOST: lcslack.atomaka.com,slack.lansing.codes + networks: + - proxy-tier restart: always + +networks: + proxy-tier: + external: + name: nginx-proxy + +volumes: + certificates: diff --git a/nginx.tmpl b/nginx.tmpl new file mode 100644 index 0000000..0969564 --- /dev/null +++ b/nginx.tmpl @@ -0,0 +1,225 @@ +{{ $CurrentContainer := where $ "ID" .Docker.CurrentContainerID | first }} + +{{ define "upstream" }} + {{ if .Address }} + {{/* If we got the containers from swarm and this container's port is published to host, use host IP:PORT */}} + {{ if and .Container.Node.ID .Address.HostPort }} + # {{ .Container.Node.Name }}/{{ .Container.Name }} + server {{ .Container.Node.Address.IP }}:{{ .Address.HostPort }}; + {{/* If there is no swarm node or the port is not published on host, use container's IP:PORT */}} + {{ else if .Network }} + # {{ .Container.Name }} + server {{ .Network.IP }}:{{ .Address.Port }}; + {{ end }} + {{ else if .Network }} + # {{ .Container.Name }} + server {{ .Network.IP }} down; + {{ end }} +{{ end }} + +# If we receive X-Forwarded-Proto, pass it through; otherwise, pass along the +# scheme used to connect to this server +map $http_x_forwarded_proto $proxy_x_forwarded_proto { + default $http_x_forwarded_proto; + '' $scheme; +} + +# If we receive Upgrade, set Connection to "upgrade"; otherwise, delete any +# Connection header that may have been passed to this server +map $http_upgrade $proxy_connection { + default upgrade; + '' close; +} + +gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript; + +log_format vhost '$host $remote_addr - $remote_user [$time_local] ' + '"$request" $status $body_bytes_sent ' + '"$http_referer" "$http_user_agent"'; + +access_log off; + +{{ if (exists "/etc/nginx/proxy.conf") }} +include /etc/nginx/proxy.conf; +{{ else }} +# HTTP 1.1 support +proxy_http_version 1.1; +proxy_buffering off; +proxy_set_header Host $http_host; +proxy_set_header Upgrade $http_upgrade; +proxy_set_header Connection $proxy_connection; +proxy_set_header X-Real-IP $remote_addr; +proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; +proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto; + +# Mitigate httpoxy attack (see README for details) +proxy_set_header Proxy ""; +{{ end }} + +server { + server_name _; # This is just an invalid value which will never trigger on a real hostname. + listen 80; + access_log /var/log/nginx/access.log vhost; + return 503; +} + +{{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }} +server { + server_name _; # This is just an invalid value which will never trigger on a real hostname. + listen 443 ssl http2; + access_log /var/log/nginx/access.log vhost; + return 503; + + ssl_certificate /etc/nginx/certs/default.crt; + ssl_certificate_key /etc/nginx/certs/default.key; +} +{{ end }} + +{{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }} + +upstream {{ $host }} { +{{ range $container := $containers }} + {{ $addrLen := len $container.Addresses }} + + {{ range $knownNetwork := $CurrentContainer.Networks }} + {{ range $containerNetwork := $container.Networks }} + {{ if eq $knownNetwork.Name $containerNetwork.Name }} + ## Can be connect with "{{ $containerNetwork.Name }}" network + + {{/* If only 1 port exposed, use that */}} + {{ if eq $addrLen 1 }} + {{ $address := index $container.Addresses 0 }} + {{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }} + {{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var, falling back to standard web port 80 */}} + {{ else }} + {{ $port := coalesce $container.Env.VIRTUAL_PORT "80" }} + {{ $address := where $container.Addresses "Port" $port | first }} + {{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }} + {{ end }} + {{ end }} + {{ end }} + {{ end }} +{{ end }} +} + +{{ $default_host := or ($.Env.DEFAULT_HOST) "" }} +{{ $default_server := index (dict $host "" $default_host "default_server") $host }} + +{{/* Get the VIRTUAL_PROTO defined by containers w/ the same vhost, falling back to "http" */}} +{{ $proto := or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http" }} + +{{/* Get the HTTPS_METHOD defined by containers w/ the same vhost, falling back to "redirect" */}} +{{ $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) "redirect" }} + +{{/* Get the first cert name defined by containers w/ the same vhost */}} +{{ $certName := (first (groupByKeys $containers "Env.CERT_NAME")) }} + +{{/* Get the best matching cert by name for the vhost. */}} +{{ $vhostCert := (closest (dir "/etc/nginx/certs") (printf "%s.crt" $host))}} + +{{/* vhostCert is actually a filename so remove any suffixes since they are added later */}} +{{ $vhostCert := replace $vhostCert ".crt" "" -1 }} +{{ $vhostCert := replace $vhostCert ".key" "" -1 }} + +{{/* Use the cert specified on the container or fallback to the best vhost match */}} +{{ $cert := (coalesce $certName $vhostCert) }} + +{{ $is_https := (and (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert))) }} + +{{ if $is_https }} + +{{ if eq $https_method "redirect" }} +server { + server_name {{ $host }}; + listen 80 {{ $default_server }}; + access_log /var/log/nginx/access.log vhost; + return 301 https://$host$request_uri; +} +{{ end }} + +server { + server_name {{ $host }}; + listen 443 ssl http2 {{ $default_server }}; + access_log /var/log/nginx/access.log vhost; + + ssl_protocols TLSv1 TLSv1.1 TLSv1.2; + ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA; + + ssl_prefer_server_ciphers on; + ssl_session_timeout 5m; + ssl_session_cache shared:SSL:50m; + + ssl_certificate /etc/nginx/certs/{{ (printf "%s.crt" $cert) }}; + ssl_certificate_key /etc/nginx/certs/{{ (printf "%s.key" $cert) }}; + + {{ if (exists (printf "/etc/nginx/certs/%s.dhparam.pem" $cert)) }} + ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }}; + {{ end }} + + {{ if (ne $https_method "noredirect") }} + add_header Strict-Transport-Security "max-age=31536000"; + {{ end }} + + {{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s" $host }}; + {{ else if (exists "/etc/nginx/vhost.d/default") }} + include /etc/nginx/vhost.d/default; + {{ end }} + + location / { + proxy_pass {{ trim $proto }}://{{ trim $host }}; + {{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }} + auth_basic "Restricted {{ $host }}"; + auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }}; + {{ end }} + {{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s_location" $host}}; + {{ else if (exists "/etc/nginx/vhost.d/default_location") }} + include /etc/nginx/vhost.d/default_location; + {{ end }} + } +} + +{{ end }} + +{{ if or (not $is_https) (eq $https_method "noredirect") }} + +server { + server_name {{ $host }}; + listen 80 {{ $default_server }}; + access_log /var/log/nginx/access.log vhost; + + {{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s" $host }}; + {{ else if (exists "/etc/nginx/vhost.d/default") }} + include /etc/nginx/vhost.d/default; + {{ end }} + + location / { + proxy_pass {{ trim $proto }}://{{ trim $host }}; + {{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }} + auth_basic "Restricted {{ $host }}"; + auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }}; + {{ end }} + {{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }} + include {{ printf "/etc/nginx/vhost.d/%s_location" $host}}; + {{ else if (exists "/etc/nginx/vhost.d/default_location") }} + include /etc/nginx/vhost.d/default_location; + {{ end }} + } +} + +{{ if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }} +server { + server_name {{ $host }}; + listen 443 ssl http2 {{ $default_server }}; + access_log /var/log/nginx/access.log vhost; + return 500; + + ssl_certificate /etc/nginx/certs/default.crt; + ssl_certificate_key /etc/nginx/certs/default.key; +} +{{ end }} + +{{ end }} +{{ end }}