{"id":925,"date":"2022-03-22T12:33:22","date_gmt":"2022-03-22T12:33:22","guid":{"rendered":"https:\/\/mklasen.com\/?p=925"},"modified":"2022-04-15T17:36:54","modified_gmt":"2022-04-15T17:36:54","slug":"halcyon-part-2-the-docker-compose-yml-configuration","status":"publish","type":"post","link":"https:\/\/mklasen.com\/halcyon-part-2-the-docker-compose-yml-configuration\/","title":{"rendered":"Halcyon Part 2: The docker-compose.yml configuration"},"content":{"rendered":"\n<p class=\"has-small-font-size\">List of variables and ip addresses used: <a href=\"https:\/\/mklasen.com\/halcyon-list-of-variables-and-ip-addresses\/\">https:\/\/mklasen.com\/halcyon-list-of-variables-and-ip-addresses\/<\/a><\/p>\n\n\n\n<p>While the components are sitting on my desk, waiting to be unpacked, and while I figure out how to approach this (blogging? video? livestream? unpack video?), we can have a look at the server configuration.<\/p>\n\n\n\n<p>Let&#8217;s start by creating a Github repo in which we&#8217;ll push the server configuration. You can find it here:<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/mklasen\/halcyon\">https:\/\/github.com\/mklasen\/halcyon<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-docker-compose-yml-file\">The docker-compose.yml file<\/h2>\n\n\n\n<p>In the previous blog post I spoke about the service we want to run, ordered by priority:<\/p>\n\n\n\n<ol><li>DNS service<\/li><li>nginx-proxy for forwarding requests<\/li><li>catch-all mailserver<\/li><li>VPN service<\/li><li>Backup service for iPhones<\/li><li>TimeMachine backup service<\/li><\/ol>\n\n\n\n<p>I&#8217;ll copy the list above and add it to the docker-compose.yml file, then we&#8217;ll build from there.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>version: \"3\"\n\n# What we want to run:\n# - DNS service\n# - nginx-proxy for forwarding requests\n# - VPN service\n# - Catch-all mailserver\n# - Backup service for iPhones\n# - TimeMachine backup service<\/code><\/pre>\n\n\n\n<p><a href=\"https:\/\/github.com\/mklasen\/halcyon\/blob\/88c105ba1fd4cfd25513becff48c9a3c135889dd\/docker-compose.yml\">https:\/\/github.com\/mklasen\/halcyon\/blob\/88c105ba1fd4cfd25513becff48c9a3c135889dd\/docker-compose.yml<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"adding-the-dns-service\"><strong>Adding the DNS service<\/strong><\/h4>\n\n\n\n<p>We&#8217;ll use the cytopia\/bind image for this service. Learn more about this image <a href=\"https:\/\/github.com\/cytopia\/docker-bind\">here<\/a> and <a href=\"https:\/\/hub.docker.com\/r\/cytopia\/bind\/\">here<\/a>.<\/p>\n\n\n\n<p>This is the moment that we&#8217;ll define the custom TLD as well, which is entered in the DNS_A argument. Hm.. how about &#8220;.hyc&#8221;?<\/p>\n\n\n\n<p>This is the full configuration after adding the dns service:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>version: \"3\"\n\n# What we want to run:\n# - DNS service\n# - nginx-proxy for forwarding requests\n# - VPN service\n# - Catch-all mailserver\n# - Backup service for iPhones\n# - TimeMachine backup service\n\nservices:\n  dns:\n    container_name: dns\n    image: cytopia\/bind:0.28\n    hostname: bind\n    ports:\n      - \"53:53\/tcp\"\n      - \"53:53\/udp\"\n    dns:\n      - 127.0.0.1\n    environment:\n      - DNS_A='*.hyc=192.168.2.70'\n      - DNS_FORWARDER=192.168.1.1\n      - DOCKER_LOGS=1\n      - DEBUG_ENTRYPOINT=2\n    restart: always<\/code><\/pre>\n\n\n\n<p>We&#8217;re linking port 53 to this service. This is the port that is used for DNS requests. With &#8220;DNS_A&#8221; we&#8217;re saying: Handle all requests for .hyc by &#8220;192.168.2.70&#8221;. We&#8217;re forwarding other DNS requests to &#8220;192.168.1.1&#8221;. Info and queries are logged to docker with &#8220;DOCKER_LOGS=1&#8221; and by setting &#8220;DEBUG_ENTRYPOINT=2&#8221; we log all info, warnings, errors and comments that are executed. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"setting-up-nginx-proxy\">Setting up nginx-proxy<\/h4>\n\n\n\n<p>Okay, moving forward to nginx-proxy. Keep in mind: I&#8217;m just defining configuration now. At the time of writing, this configuration has not been tested. <\/p>\n\n\n\n<p>We&#8217;ll keep the nginx-proxy configuration simple for now. Later on, we&#8217;ll dive into setting up shared volumes for configuration of the nginx-proxy container.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  nginx-proxy:\n    image: jwilder\/nginx-proxy\n    container_name: nginx-proxy\n    ports:\n      - \"80:80\"\n      - \"443:443\"\n    restart: always<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"the-catch-all-mailservice\">The catch-all mailservice<\/h4>\n\n\n\n<p>This will actually be the first service that we&#8217;ll set environment variables for that will be resolved by nginx-proxy later on. Below you&#8217;ll see that we define VIRTUAL_HOST and VIRTUAL_PORT. We&#8217;re basically telling nginx-proxy to forward traffic from VIRTUAL_HOST to this container on VIRTUAL_PORT. The mailhog service is accessible on the web via 8025, and SMTP runs on 1025, hence the expose part.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  catchall:\n    container_name: catchall\n    image: mailhog\/mailhog:latest\n    expose:\n      - '8025'\n      - '1025'\n    environment:\n      VIRTUAL_HOST: \"mail.hyc\"\n      VIRTUAL_PORT: 8025\n    restart: always<\/code><\/pre>\n\n\n\n<p>Alright, that&#8217;s it for today. We have a nice configuration to start with once we get this hardware up and running. I&#8217;m pretty sure this configuration will not run flawlessly upon start, but we&#8217;ll fix that on the go.<\/p>\n\n\n\n<p><strong>See you in part 3!<\/strong><\/p>\n\n\n\n<p>Repository state after the changes in this blog:<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/mklasen\/halcyon\/tree\/5db4b2e470c298780b4ae9724c74b2d0e2028f5a\">https:\/\/github.com\/mklasen\/halcyon\/tree\/5db4b2e470c298780b4ae9724c74b2d0e2028f5a<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>List of variables and ip addresses used: https:\/\/mklasen.com\/halcyon-list-of-variables-and-ip-addresses\/ While the components are sitting on my desk, waiting to be unpacked, and while I figure out how to approach this (blogging? video? livestream? unpack video?), we can have a look at the server configuration. Let&#8217;s start by creating a Github repo in which we&#8217;ll push the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[48],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Halcyon Part 2: The docker-compose.yml configuration - Marinus Klasen<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mklasen.com\/halcyon-part-2-the-docker-compose-yml-configuration\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Halcyon Part 2: The docker-compose.yml configuration - Marinus Klasen\" \/>\n<meta property=\"og:description\" content=\"List of variables and ip addresses used: https:\/\/mklasen.com\/halcyon-list-of-variables-and-ip-addresses\/ While the components are sitting on my desk, waiting to be unpacked, and while I figure out how to approach this (blogging? video? livestream? unpack video?), we can have a look at the server configuration. 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