diff --git a/CMakeLists.txt b/CMakeLists.txt
index a801d5e..dcf4b49 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,7 +135,7 @@ endif()
 
 FetchContent_Declare(httplib SYSTEM
     GIT_REPOSITORY https://github.com/yhirose/cpp-httplib
-    GIT_TAG 0bda3a7d1a797f2b67953504fefa7391a817a0bd
+    GIT_TAG c765584e6b1055fe0dfe3e9e6d1b4b09aa305070
     GIT_SHALLOW TRUE)
 FetchContent_MakeAvailable(httplib)
 
diff --git a/README.md b/README.md
index 88b07be..6e8734c 100644
--- a/README.md
+++ b/README.md
@@ -53,9 +53,9 @@ In debian-based distributions most, but not every, package names are the same.
 
 Installation of dependencies for different debian-based distros:
 ###### Ubuntu 18.04
-```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json-dev libcurl4-openssl-dev libtesseract-dev```
+```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev```
 ###### Ubuntu 20.04, LMDE (tested only 6), Debian (tested only 12)
-```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev```
+```apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev```
 
 Next steps are identical for every debian-based distro
 ```
diff --git a/deploy/appimage/AppDir/AppRun b/deploy/appimage/AppDir/AppRun
deleted file mode 100755
index 93014f3..0000000
--- a/deploy/appimage/AppDir/AppRun
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-export TESSDATA_PREFIX=$APPDIR/usr/share/tesseract-ocr/4.00/tessdata
-
-$APPDIR/usr/bin/checks-parser
diff --git a/deploy/appimage/AppDir/checks-parser.png b/deploy/appimage/AppDir/checks-parser.png
deleted file mode 100644
index b067c85..0000000
Binary files a/deploy/appimage/AppDir/checks-parser.png and /dev/null differ
diff --git a/deploy/appimage/AppRun b/deploy/appimage/AppRun
new file mode 100644
index 0000000..2d29782
--- /dev/null
+++ b/deploy/appimage/AppRun
@@ -0,0 +1,4 @@
+#!/bin/bash
+export TESSDATA_PREFIX=\$APPDIR/usr/share/tesseract-ocr/4.00/tessdata
+
+\$APPDIR/usr/bin/checks-parser
diff --git a/deploy/appimage/Dockerfile b/deploy/appimage/Dockerfile
new file mode 100644
index 0000000..695e42f
--- /dev/null
+++ b/deploy/appimage/Dockerfile
@@ -0,0 +1,71 @@
+FROM ubuntu:20.04
+
+# Installing dependencies
+RUN apt update
+
+RUN DEBIAN_FRONTEND=noninteractive apt install -y qtbase5-dev openssl libmbedtls-dev tesseract-ocr tesseract-ocr-rus libopencv-dev libzbar-dev qttools5-dev nlohmann-json3-dev libcurl4-openssl-dev libtesseract-dev libqrencode-dev
+RUN DEBIAN_FRONTEND=noninteractive apt install -y wget git cmake make gcc g++ fuse
+
+# For gcc 12
+RUN DEBIAN_FRONTEND=noninteractive apt install -y libmpc-dev libmpfr-dev libgmp-dev
+
+# The program uses std::regex_constants::multiline and some other C++17 things that are not found in gcc for Ubuntu Focal. Thus, we should compile it.
+
+WORKDIR /
+
+RUN wget https://mirror.linux-ia64.org/gnu/gcc/releases/gcc-12.3.0/gcc-12.3.0.tar.gz
+RUN tar xf gcc-12.3.0.tar.gz
+
+WORKDIR /gcc-12.3.0
+RUN ./configure --disable-multilib
+RUN make -j $(nproc) && make install
+
+WORKDIR /
+RUN rm -rf gcc-12.3.0
+
+ENTRYPOINT bash
+
+# Download linuxdeployqt
+RUN wget https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage -O /usr/bin/linuxdeployqt && \
+    chmod +x /usr/bin/linuxdeployqt
+
+# Prepare AppDir and its files
+WORKDIR /appimage
+RUN mkdir -p AppDir
+
+COPY deploy/appimage/checks-parser.desktop AppDir
+COPY icon.png AppDir/checks-parser.png
+COPY deploy/appimage/AppRun AppDir
+RUN chmod +x AppDir/AppRun
+
+#Copy only necessities
+COPY assets ./assets
+COPY check ./check
+COPY exceptions ./exceptions
+COPY goods ./goods
+COPY image ./image
+COPY image_redactor ./image_redactor
+COPY output ./output
+COPY parser ./parser
+COPY settings ./settings
+COPY scenes ./scenes
+COPY net ./net
+COPY translations ./translations
+COPY utils ./utils
+
+COPY ./*cpp ./*.h ./*.ui ./*.qrc CMakeLists.txt .
+
+RUN mkdir build
+WORKDIR /appimage/build
+
+RUN cmake -DBUILD_TRANSLATIONS=on .. && make -j 8
+
+WORKDIR /appimage/AppDir/usr/bin
+
+RUN cp /appimage/build/checks-parser .
+
+WORKDIR /appimage
+
+RUN LD_LIBRARY_PATH=LD_LIBRARY_PATH=/usr/local/lib64 linuxdeployqt AppDir/usr/bin/checks-parser -no-copy-copyright-files -appimage
+
+ENTRYPOINT bash
diff --git a/deploy/appimage/AppDir/checks-parser.desktop b/deploy/appimage/checks-parser.desktop
similarity index 100%
rename from deploy/appimage/AppDir/checks-parser.desktop
rename to deploy/appimage/checks-parser.desktop