reduce container size by 80 MB

Dockerfile

@@ -30,34 +30,28 @@ ENV BEASTPORT=30005 \
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-#COPY rootfs/tar1090-install.sh /
-#COPY rootfs/etc/nginx.tar1090 /etc/nginx.tar1090
-# for dev testing, rootfs copy can be moved after run, then these two lines above are needed
-
-COPY rootfs/ /
-
 # add telegraf binary
 ##telegraf##COPY --from=telegraf /usr/bin/telegraf /usr/bin/telegraf
 
-RUN set -x && \
+RUN \
+    --mount=type=bind,source=./,target=/app/ \
+    set -x && \
     TEMP_PACKAGES=() && \
     KEPT_PACKAGES=() && \
-    # Essentials (git is kept for aircraft db updates)
-    KEPT_PACKAGES+=(git) && \
+    TEMP_PACKAGES+=(git) && \
     # tar1090
     KEPT_PACKAGES+=(nginx-light) && \
     # graphs1090
     KEPT_PACKAGES+=(collectd-core) && \
     KEPT_PACKAGES+=(rrdtool) && \
-    KEPT_PACKAGES+=(unzip) && \
     KEPT_PACKAGES+=(bash-builtins) && \
     KEPT_PACKAGES+=(libpython3.11) && \
     KEPT_PACKAGES+=(libncurses6) && \
     # healthchecks
     KEPT_PACKAGES+=(jq) && \
     # install packages
     apt-get update && \
-    apt-get install -y --no-install-recommends \
+    apt-get install -y --no-install-suggests --no-install-recommends \
     ${KEPT_PACKAGES[@]} \
     ${TEMP_PACKAGES[@]} \
     && \
@@ -69,21 +63,17 @@ RUN set -x && \
     # nginx: remove default config
     rm /etc/nginx/sites-enabled/default && \
     # tar1090: install using project copy of original script
-    bash /tar1090-install.sh /run/readsb webroot "${TAR1090_INSTALL_DIR}" && \
+    bash /app/rootfs/tar1090-install.sh /run/readsb webroot "${TAR1090_INSTALL_DIR}" && \
     # change some /run/tar1090-webroot to /run/readsb to make work with existing docker scripting
     sed -i -e 's#/run/tar1090-webroot/#/run/readsb/#' /usr/local/share/tar1090/nginx-tar1090-webroot.conf && \
     # tar1090-db: document version
-    pushd "${TAR1090_UPDATE_DIR}/git-db" || exit 1 && \
-    bash -ec 'echo "tar1090-db $(git log | head -1 | tr -s " " "_")" >> /VERSIONS' && \
-    popd && \
+    echo "tar1090-db $(cat ${TAR1090_UPDATE_DIR}/git-db/version)" >> VERSIONS && \
     # tar1090: document version
-    pushd "${TAR1090_UPDATE_DIR}/git" || exit 1 && \
-    bash -ec 'echo "tar1090 $(git log | head -1 | tr -s " " "_")" >> /VERSIONS' && \
-    popd && \
+    echo "tar1090 $(cat ${TAR1090_UPDATE_DIR}/git/version)" >> VERSIONS && \
     # tar1090: remove tar1090-update files as they're not needed unless tar1090-update is active
     rm -rf "${TAR1090_UPDATE_DIR}" && \
     # tar1090: add nginx config
-    cp -Rv /etc/nginx.tar1090/* /etc/nginx/ && \
+    cp -Rv /app/rootfs/etc/nginx.tar1090/* /etc/nginx/ && \
     # aircraft-db, file in TAR1090_UPDATE_DIR will be preferred when starting readsb if tar1090-update enabled
     curl -o "${TAR1090_INSTALL_DIR}/aircraft.csv.gz" "https://raw.githubusercontent.com/wiedehopf/tar1090-db/csv/aircraft.csv.gz" && \
     # clone graphs1090 repo
@@ -159,22 +149,22 @@ RUN set -x && \
     ##telegraf##mkdir -p /etc/telegraf/telegraf.d && \
     # document telegraf version
     ##telegraf##bash -ec "telegraf --version >> /VERSIONS" && \
-    # Clean-up.
-    apt-get remove -y ${TEMP_PACKAGES[@]} && \
-    apt-get autoremove -y && \
-    apt-get clean -q -y && \
-    rm -rf /src/* /tmp/* /var/lib/apt/lists/* /var/cache/* && \
-    # document versions
-    bash -ec 'grep -v tar1090-db /VERSIONS | grep tar1090 | cut -d " " -f 2 > /CONTAINER_VERSION' && \
-    cat /VERSIONS && \
     # Add Container Version
     branch="##BRANCH##" && \
     [[ "${branch:0:1}" == "#" ]] && branch="main" || true && \
     git clone --depth=1 -b $branch https://github.com/sdr-enthusiasts/docker-tar1090.git /tmp/clone && \
     pushd /tmp/clone && \
     bash -ec 'echo "$(TZ=UTC date +%Y%m%d-%H%M%S)_$(git rev-parse --short HEAD)_$(git branch --show-current)" > /.CONTAINER_VERSION' && \
     popd && \
-    rm -rf /tmp/*
+    # Clean-up.
+    apt-get remove -y ${TEMP_PACKAGES[@]} && \
+    apt-get autoremove -q -o APT::Autoremove::RecommendsImportant=0 -o APT::Autoremove::SuggestsImportant=0 -y && \
+    apt-get clean -q -y && \
+    rm -rf /src/* /tmp/* /var/lib/apt/lists/* /var/cache/* && \
+    # document versions
+    cat /VERSIONS
+
+COPY rootfs/ /
 
 EXPOSE 80/tcp
 

rootfs/etc/s6-overlay/startup.d/02-tar1090-update

@@ -11,9 +11,10 @@ OVERRIDE_GIT_SOURCE="/var/tar1090_git_source"
 
 if [[ -d "${OVERRIDE_GIT_SOURCE}/html" ]]; then
     echo "USING LOCALLY MODIFIED TAR1090 from ${OVERRIDE_GIT_SOURCE}"
-    TAR1090_VERSION="LOCALLY MODIFIED"
+    TAR1090_VERSION="$(cat "${OVERRIDE_GIT_SOURCE}/version") LOCALLY MODIFIED"
     bash /tar1090-install.sh /run/readsb webroot "${TAR1090_INSTALL_DIR}" "${OVERRIDE_GIT_SOURCE}"
 else
+    TAR1090_VERSION=$(cat "${TAR1090_UPDATE_DIR}/git/version")
     bash /tar1090-install.sh /run/readsb webroot "${TAR1090_INSTALL_DIR}"
 fi
 
@@ -30,10 +31,6 @@ if [[ "$TAR1090_ENABLE_AC_DB" == "true" ]]; then
 fi
 
 # Print tar1090 version
-pushd "${TAR1090_UPDATE_DIR}/git" >/dev/null || exit 1
-if [[ -z "$TAR1090_VERSION" ]]; then
-    TAR1090_VERSION=$(git rev-parse --short HEAD)
-fi
-echo "tar1090 version: ${TAR1090_VERSION}"
+TAR1090_DB_VERSION=$(cat "${TAR1090_UPDATE_DIR}/git-db/version")
+echo "tar1090 version: ${TAR1090_VERSION} tar1090-db version: ${TAR1090_DB_VERSION}"
 export TAR1090_VERSION
-popd >/dev/null || exit 1

rootfs/etc/s6-overlay/startup.d/11-timelapse1090

@@ -11,6 +11,19 @@ if [[ -d "${GITPATH_TIMELAPSE1090}" ]]; then
     exit 0
 fi
 
+set -e
+
+function getGIT() {
+    # getGIT $REPO $BRANCH $TARGET (directory)
+    if [[ -z "$1" ]] || [[ -z "$2" ]] || [[ -z "$3" ]]; then echo "getGIT wrong usage, check your script or tell the author!" 1>&2; return 1; fi
+    REPO="$1"; BRANCH="$2"; TARGET="$3"; pushd /tmp >/dev/null
+    rm -rf "$TARGET"; tmp=$(mktemp)
+    if wget --no-verbose -O "$tmp" "$REPO/archive/refs/heads/$BRANCH.tar.gz" && mkdir -p "$tmp.folder" && tar xf "$tmp" -C "$tmp.folder" >/dev/null; then
+        if mv -fT "$tmp.folder/$(ls "$tmp.folder")" "$TARGET"; then rm -rf "$tmp" "$tmp.folder"; popd > /dev/null; return 0; fi
+    fi
+    rm -rf "$tmp" "$tmp.folder"; popd > /dev/null; return 1;
+}
+
 # timelapse1090
-git clone --single-branch --depth 1 "https://github.com/wiedehopf/timelapse1090.git" "${GITPATH_TIMELAPSE1090}"
+getGIT https://github.com/wiedehopf/timelapse1090 master "${GITPATH_TIMELAPSE1090}"
 mkdir -p /var/timelapse1090

rootfs/tar1090-install.sh

@@ -30,47 +30,6 @@ if [[ -z "$gpath" ]]; then gpath="$ipath"; fi
 mkdir -p "$ipath"
 mkdir -p "$gpath"
 
-if useSystemd && ! id -u tar1090 &>/dev/null
-then
-    adduser --system --home "$ipath" --no-create-home --quiet tar1090 || adduser --system --home-dir "$ipath" --no-create-home tar1090
-fi
-
-# terminate with /
-command_package="git git/jq jq/"
-packages=()
-
-while read -r -d '/' CMD PKG
-do
-    if ! command -v "$CMD" &>/dev/null
-    then
-        #echo "command $CMD not found, will try to install package $PKG"
-        packages+=("$PKG")
-    fi
-done < <(echo "$command_package")
-
-if [[ -n "${packages[*]}" ]]; then
-    if ! command -v "apt-get" &>/dev/null; then
-        echo "Please install the following packages and rerun the install:"
-        echo "${packages[*]}"
-        exit 1
-    fi
-    echo "Installing required packages: ${packages[*]}"
-    if ! apt-get install -y --no-install-suggests --no-install-recommends "${packages[@]}"; then
-        apt-get update || true
-        apt-get install -y --no-install-suggests --no-install-recommends "${packages[@]}" || true
-    fi
-    hash -r || true
-    while read -r -d '/' CMD PKG
-    do
-        if ! command -v "$CMD" &>/dev/null
-        then
-            echo "command $CMD not found, seems we failed to install package $PKG"
-            echo "FATAL: Exiting!"
-            exit 1
-        fi
-    done < <(echo "$command_package")
-fi
-
 if [ -d /etc/lighttpd/conf.d/ ] && ! [ -d /etc/lighttpd/conf-enabled/ ] && ! [ -d /etc/lighttpd/conf-available ] && command -v lighttpd &>/dev/null
 then
     ln -s /etc/lighttpd/conf.d /etc/lighttpd/conf-enabled
@@ -102,25 +61,17 @@ function copyNoClobber() {
 function getGIT() {
     # getGIT $REPO $BRANCH $TARGET (directory)
     if [[ -z "$1" ]] || [[ -z "$2" ]] || [[ -z "$3" ]]; then echo "getGIT wrong usage, check your script or tell the author!" 1>&2; return 1; fi
-    REPO="$1"; BRANCH="$2"; TARGET="$3"; pushd . >/dev/null
-    if cd "$TARGET" &>/dev/null && git fetch --depth 1 origin "$BRANCH" 2>/dev/null && git reset --hard FETCH_HEAD; then popd >/dev/null && return 0; fi
-    if ! cd /tmp || ! rm -rf "$TARGET"; then popd > /dev/null; return 1; fi
-    if git clone --depth 1 --single-branch --branch "$BRANCH" "$REPO" "$TARGET"; then popd > /dev/null; return 0; fi
-    rm -rf "$TARGET"; tmp=/tmp/getGIT-tmp-tar1090
-    if wget -O "$tmp" "$REPO/archive/refs/heads/$BRANCH.zip" && unzip "$tmp" -d "$tmp.folder" >/dev/null; then
+    REPO="$1"; BRANCH="$2"; TARGET="$3"; pushd /tmp >/dev/null
+    rm -rf "$TARGET"; tmp=$(mktemp)
+    if wget --no-verbose -O "$tmp" "$REPO/archive/refs/heads/$BRANCH.tar.gz" && mkdir -p "$tmp.folder" && tar xf "$tmp" -C "$tmp.folder" >/dev/null; then
         if mv -fT "$tmp.folder/$(ls "$tmp.folder")" "$TARGET"; then rm -rf "$tmp" "$tmp.folder"; popd > /dev/null; return 0; fi
     fi
     rm -rf "$tmp" "$tmp.folder"; popd > /dev/null; return 1;
 }
-function revision() {
-    git rev-parse --short HEAD 2>/dev/null || echo "$RANDOM-$RANDOM"
-}
 
-if ! { [[ "$1" == "test" ]] && cd "$gpath/git-db"; }; then
-    DB_VERSION_NEW=$(curl --silent --show-error "https://raw.githubusercontent.com/wiedehopf/tar1090-db/master/version")
-    if  [[ "$(cat "$gpath/git-db/version" 2>/dev/null)" != "$DB_VERSION_NEW" ]]; then
-        getGIT "$db_repo" "master" "$gpath/git-db" || true
-    fi
+DB_VERSION_NEW=$(curl --silent --show-error "https://raw.githubusercontent.com/wiedehopf/tar1090-db/master/version")
+if  [[ "$(cat "$gpath/git-db/version" 2>/dev/null)" != "$DB_VERSION_NEW" ]]; then
+    getGIT "$db_repo" "master" "$gpath/git-db" || true
 fi
 
 if ! cd "$gpath/git-db"
@@ -129,7 +80,7 @@ then
     exit 1
 fi
 
-DB_VERSION=$(revision)
+DB_VERSION=$(cat "$gpath/git-db/version")
 
 cd "$dir"
 
@@ -296,6 +247,7 @@ do
     cp -r -T "$gpath/git-db/db" "$TMP/db-$DB_VERSION"
     sed -i -e "s/let databaseFolder = .*;/let databaseFolder = \"db-$DB_VERSION\";/" "$TMP/index.html"
     echo "{ \"tar1090Version\": \"$TAR_VERSION\", \"databaseVersion\": \"$DB_VERSION\" }" > "$TMP/version.json"
+    echo "$TAR_VERSION" > "$TMP/version"
 
     # keep some stuff around
     mv "$html_path/config.js" "$TMP/config.js" 2>/dev/null || true