diff --git a/.gitignore b/.gitignore
index 00b716c..1c688a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@ TAGS
 /stackage-database/
 *~
 *#
+/stackage-server.cabal
diff --git a/package.yaml b/package.yaml
new file mode 100644
index 0000000..7abcca3
--- /dev/null
+++ b/package.yaml
@@ -0,0 +1,180 @@
+name:         stackage-server
+
+flags:
+  library-only:
+    description: Build for use with "yesod devel"
+    manual: false
+    default: false
+  dev:
+    description: Turn on development settings, like auto-reload templates.
+    manual: false
+    default: false
+
+dependencies:
+- base
+- yesod
+- aeson
+- aws
+- barrier
+- base16-bytestring
+- blaze-markup
+- byteable
+- bytestring
+- classy-prelude
+- classy-prelude-yesod
+- conduit
+- conduit-extra
+- cryptohash
+- cryptohash-conduit
+- data-default
+- directory
+- email-validate
+- esqueleto
+- exceptions
+- fast-logger
+- foreign-store
+- ghc-prim
+- hjsmin
+- html-conduit
+- http-conduit
+- monad-control
+- monad-logger
+- mtl
+- mwc-random
+- prometheus-client
+- prometheus-metrics-ghc
+- persistent
+- persistent-template
+- resourcet
+- shakespeare
+- system-fileio
+- system-filepath
+- tagstream-conduit
+- tar
+- template-haskell
+- temporary-rc
+- text
+- these
+- wai
+- wai-extra
+- wai-logger
+- wai-middleware-prometheus
+- warp
+- xml-conduit
+- xml-types
+- yaml
+- yesod-auth
+- yesod-core
+- yesod-form
+- yesod-newsfeed
+- yesod-static
+- zlib
+- unordered-containers
+- hashable
+- Cabal
+- lifted-base
+- mono-traversable
+- time
+- process
+- old-locale
+- th-lift
+- mime-types
+- unix
+- markdown
+- formatting
+- blaze-html
+- haddock-library
+- async
+- yesod-gitrepo
+- hoogle
+- spoon
+- deepseq
+- deepseq-generics
+- auto-update
+- stackage-curator
+- yesod-sitemap
+- streaming-commons
+- classy-prelude-conduit
+- path-pieces
+- persistent-postgresql
+- stackage-metadata
+- filepath
+- http-client
+- http-types
+- amazonka
+- amazonka-core
+- amazonka-s3
+- lens
+- file-embed
+- resource-pool
+
+default-extensions:
+- TemplateHaskell
+- QuasiQuotes
+- OverloadedStrings
+- NoImplicitPrelude
+- CPP
+- MultiParamTypeClasses
+- TypeFamilies
+- GADTs
+- GeneralizedNewtypeDeriving
+- FlexibleContexts
+- EmptyDataDecls
+- NoMonomorphismRestriction
+- DeriveDataTypeable
+- ViewPatterns
+- TypeSynonymInstances
+- FlexibleInstances
+- RankNTypes
+- FunctionalDependencies
+- PatternGuards
+- StandaloneDeriving
+- UndecidableInstances
+- RecordWildCards
+- ScopedTypeVariables
+- BangPatterns
+- TupleSections
+- DeriveGeneric
+- DeriveFunctor
+- DeriveFoldable
+- DeriveTraversable
+- LambdaCase
+
+library:
+  source-dirs: src
+  when:
+  - condition: (flag(dev)) || (flag(library-only))
+    then:
+      ghc-options:
+      - -Wall
+      - -O0
+      cpp-options: -DDEVELOPMENT
+    else:
+      ghc-options:
+      - -Wall
+      - -O2
+
+executables:
+  stackage-server:
+    main: main.hs
+    source-dirs: app
+    ghc-options: -threaded -O2 -rtsopts "-with-rtsopts=-N -T"
+    dependencies:
+    - stackage-server
+    when:
+    - condition: flag(library-only)
+      buildable: false
+
+  stackage-server-cron:
+    main: stackage-server-cron.hs
+    source-dirs: app
+    ghc-options:
+    - -threaded
+    - -O2
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - stackage-server
+    when:
+    - condition: flag(library-only)
+      buildable: false
diff --git a/stackage-server.cabal b/stackage-server.cabal
deleted file mode 100644
index 6fd3ec3..0000000
--- a/stackage-server.cabal
+++ /dev/null
@@ -1,271 +0,0 @@
-name:              stackage-server
-version:           0.0.0
-cabal-version:     >= 1.8
-build-type:        Simple
-
-Flag dev
-    Description:   Turn on development settings, like auto-reload templates.
-    Default:       False
-
-Flag library-only
-    Description:   Build for use with "yesod devel"
-    Default:       False
-
-library
-    exposed-modules: Application
-                     Foundation
-                     Import
-                     Settings
-                     Settings.StaticFiles
-                     Data.GhcLinks
-                     Data.WebsiteContent
-                     Distribution.Package.ModuleForest
-                     Types
-
-                     -- once stabilized, will likely move into its own package
-                     Stackage.Database
-                     Stackage.Database.Haddock
-                     Stackage.Database.Types
-                     Stackage.Database.Cron
-                     Stackage.Snapshot.Diff
-
-                     Handler.Home
-                     Handler.Snapshots
-                     Handler.StackageHome
-                     Handler.StackageIndex
-                     Handler.StackageSdist
-                     Handler.System
-                     Handler.Haddock
-                     Handler.Hoogle
-                     Handler.Package
-                     Handler.PackageList
-                     Handler.BuildVersion
-                     Handler.Sitemap
-                     Handler.BuildPlan
-                     Handler.Download
-                     Handler.OldLinks
-                     Handler.Feed
-                     Handler.DownloadStack
-                     Handler.MirrorStatus
-                     Control.SingleRun
-
-    hs-source-dirs: src
-
-    if flag(dev) || flag(library-only)
-        cpp-options:   -DDEVELOPMENT
-        ghc-options:   -Wall -O0
-    else
-        ghc-options:   -Wall -O2
-
-    extensions: TemplateHaskell
-                QuasiQuotes
-                OverloadedStrings
-                NoImplicitPrelude
-                CPP
-                MultiParamTypeClasses
-                TypeFamilies
-                GADTs
-                GeneralizedNewtypeDeriving
-                FlexibleContexts
-                EmptyDataDecls
-                NoMonomorphismRestriction
-                DeriveDataTypeable
-                ViewPatterns
-                TypeSynonymInstances
-                FlexibleInstances
-                RankNTypes
-                FunctionalDependencies
-                PatternGuards
-                StandaloneDeriving
-                UndecidableInstances
-                RecordWildCards
-                ScopedTypeVariables
-                BangPatterns
-                TupleSections
-                DeriveGeneric
-                DeriveFunctor
-                DeriveFoldable
-                DeriveTraversable
-                LambdaCase
-
-    build-depends:
-                    base
-                  , aeson
-                  , aws
-                  , barrier
-                  , base16-bytestring
-                  , blaze-markup
-                  , byteable
-                  , bytestring
-                  , classy-prelude
-                  , classy-prelude-yesod
-                  , conduit
-                  , conduit-extra
-                  , cryptohash
-                  , cryptohash-conduit
-                  , data-default
-                  , directory
-                  , email-validate
-                  , esqueleto
-                  , exceptions
-                  , fast-logger
-                  , foreign-store
-                  , ghc-prim
-                  , hjsmin
-                  , html-conduit
-                  , http-conduit
-                  , monad-control
-                  , monad-logger
-                  , mtl
-                  , mwc-random
-                  , prometheus-client
-                  , prometheus-metrics-ghc
-                  , persistent
-                  , persistent-template
-                  , resourcet
-                  , shakespeare
-                  , system-fileio
-                  , system-filepath
-                  , tagstream-conduit
-                  , tar
-                  , template-haskell
-                  , temporary-rc
-                  , text
-                  , these
-                  , wai
-                  , wai-extra
-                  , wai-logger
-                  , wai-middleware-prometheus
-                  , warp
-                  , xml-conduit
-                  , xml-types
-                  , yaml
-                  , yesod
-                  , yesod-auth
-                  , yesod-core
-                  , yesod-form
-                  , yesod-newsfeed
-                  , yesod-static
-                  , zlib
-                  , unordered-containers
-                  , hashable
-                  , Cabal
-                  , lifted-base
-                  , mono-traversable
-                  , time
-                  , process
-                  , old-locale
-                  , th-lift
-                  , mime-types
-                  , unix
-                  , markdown
-                  , formatting
-                  , blaze-html
-                  , haddock-library
-                  , async
-                  , yesod-gitrepo
-                  , hoogle
-                  , spoon
-                  , deepseq
-                  , deepseq-generics
-                  , auto-update
-                  , stackage-curator
-                  , yesod-sitemap
-                  , streaming-commons
-                  , classy-prelude-conduit
-                  , path-pieces
-                  , persistent-postgresql
-                  , stackage-metadata
-                  , filepath
-                  , http-client
-                  , http-types
-                  , amazonka
-                  , amazonka-core
-                  , amazonka-s3
-                  , lens
-                  , file-embed
-                  , resource-pool
-
-executable         stackage-server
-    if flag(library-only)
-        Buildable: False
-
-    main-is:           main.hs
-    hs-source-dirs:    app
-    build-depends:     base
-                     , stackage-server
-                     , yesod
-
-    ghc-options:       -threaded -O2 -rtsopts "-with-rtsopts=-N -T"
-
-    extensions: TemplateHaskell
-                QuasiQuotes
-                OverloadedStrings
-                NoImplicitPrelude
-                CPP
-                MultiParamTypeClasses
-                TypeFamilies
-                GADTs
-                GeneralizedNewtypeDeriving
-                FlexibleContexts
-                EmptyDataDecls
-                NoMonomorphismRestriction
-                DeriveDataTypeable
-                ViewPatterns
-                TypeSynonymInstances
-                FlexibleInstances
-                RankNTypes
-                FunctionalDependencies
-                PatternGuards
-                StandaloneDeriving
-                UndecidableInstances
-                RecordWildCards
-                ScopedTypeVariables
-                BangPatterns
-                TupleSections
-                DeriveGeneric
-                DeriveFunctor
-                DeriveFoldable
-                DeriveTraversable
-                LambdaCase
-
-executable         stackage-server-cron
-    if flag(library-only)
-        Buildable: False
-
-    main-is:           stackage-server-cron.hs
-    hs-source-dirs:    app
-    build-depends:     base, stackage-server
-
-    ghc-options:       -threaded -O2 -rtsopts -with-rtsopts=-N
-
-    extensions: TemplateHaskell
-                QuasiQuotes
-                OverloadedStrings
-                NoImplicitPrelude
-                CPP
-                MultiParamTypeClasses
-                TypeFamilies
-                GADTs
-                GeneralizedNewtypeDeriving
-                FlexibleContexts
-                EmptyDataDecls
-                NoMonomorphismRestriction
-                DeriveDataTypeable
-                ViewPatterns
-                TypeSynonymInstances
-                FlexibleInstances
-                RankNTypes
-                FunctionalDependencies
-                PatternGuards
-                StandaloneDeriving
-                UndecidableInstances
-                RecordWildCards
-                ScopedTypeVariables
-                BangPatterns
-                TupleSections
-                DeriveGeneric
-                DeriveFunctor
-                DeriveFoldable
-                DeriveTraversable
-                LambdaCase