diff --git a/Dockerfile b/Dockerfile
index 28bb356..025d9f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,14 @@
 FROM ubuntu:jammy
+COPY toolchains /opt/toolchains
+COPY jammy-main.sources /etc/apt/sources.list.d/jammy-main.sources
+COPY jammy-ports.sources /etc/apt/sources.list.d/jammy-ports.sources
+RUN rm /etc/apt/sources.list
+RUN dpkg --add-architecture riscv64
+RUN dpkg --add-architecture arm64
+RUN dpkg --add-architecture armhf
+RUN apt update -y
+RUN apt install -y cmake build-essential libmbedtls-dev make wget curl crossbuild-essential-armhf crossbuild-essential-riscv64 crossbuild-essential-armhf crossbuild-essential-arm64 libmbedtls-dev:armhf libmbedtls-dev:arm64 libmbedtls-dev:riscv64
 
-RUN apt update -y | true
-RUN apt install -y cmake build-essential libmbedtls-dev make wget curl
 RUN curl https://git.tesseslanguage.com/api/packages/tesses50/debian/repository.key -o /etc/apt/keyrings/gitea-tesses50.asc
 RUN echo "deb [signed-by=/etc/apt/keyrings/gitea-tesses50.asc] https://git.tesseslanguage.com/api/packages/tesses50/debian jammy main" | tee -a /etc/apt/sources.list.d/gitea.list
 RUN apt update -y
diff --git a/jammy-main.sources b/jammy-main.sources
new file mode 100644
index 0000000..b7d2c3a
--- /dev/null
+++ b/jammy-main.sources
@@ -0,0 +1,6 @@
+Types: deb
+URIs: http://archive.ubuntu.com/ubuntu
+Suites: jammy jammy-updates jammy-backports
+Components: main universe restricted multiverse
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
+Architectures: amd64
\ No newline at end of file
diff --git a/jammy-ports.sources b/jammy-ports.sources
new file mode 100644
index 0000000..db881b6
--- /dev/null
+++ b/jammy-ports.sources
@@ -0,0 +1,6 @@
+Types: deb
+URIs: http://ports.ubuntu.com/ubuntu-ports/
+Suites: jammy jammy-updates jammy-backports
+Components: main universe restricted multiverse
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
+Architectures: armhf,arm64,riscv64
\ No newline at end of file
diff --git a/plucky-ports.sources b/plucky-ports.sources
index 8975ef4..52510f3 100644
--- a/plucky-ports.sources
+++ b/plucky-ports.sources
@@ -2,5 +2,5 @@ Types: deb
 URIs: http://ports.ubuntu.com/ubuntu-ports/
 Suites: plucky plucky-updates plucky-backports
 Components: main universe restricted multiverse
-Architectures: arm64 armhf riscv64
-Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
\ No newline at end of file
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
+Architectures: armhf arm64 riscv64
\ No newline at end of file